Add filex excluded by the gitignore.

vendor/MaxmindDB/.github/workflows/codeql-analysis.yml

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+name: "Code scanning - action"
+
+on:
+  push:
+  pull_request:
+  schedule:
+    - cron: '0 7 * * 2'
+
+jobs:
+  CodeQL-Build:
+
+    runs-on: ubuntu-latest
+
+    steps:
+    - name: Checkout repository
+      uses: actions/checkout@v2
+      with:
+        # We must fetch at least the immediate parents so that if this is
+        # a pull request then we can checkout the head.
+        fetch-depth: 2
+        submodules: true
+
+    # If this run was triggered by a pull request event, then checkout
+    # the head of the pull request instead of the merge commit.
+    - run: git checkout HEAD^2
+      if: ${{ github.event_name == 'pull_request' }}
+
+    # Initializes the CodeQL tools for scanning.
+    - name: Initialize CodeQL
+      uses: github/codeql-action/init@v1
+
+    - run: sudo apt install libipc-run3-perl libfile-slurp-perl libfile-which-perl pandoc
+    - run: |
+            ./bootstrap
+            ./configure
+            make
+            make safedist
+
+    - name: Perform CodeQL Analysis
+      uses: github/codeql-action/analyze@v1

vendor/MaxmindDB/.github/workflows/test.yml

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+name: Run tests
+on:
+  push:
+  pull_request:
+  schedule:
+    - cron: '3 20 * * SUN'
+jobs:
+  test-autoconf:
+    strategy:
+      matrix:
+        os: [ubuntu-latest, macos-latest]
+        cc: [gcc, clang]
+        posix: ['', -D_POSIX_C_SOURCE=200112L]
+    name: Autotools build on ${{matrix.os}} using ${{matrix.cc}} ${{matrix.posix}}
+    runs-on: ${{ matrix.os }}
+    env:
+      CC: ${{ matrix.cc }}
+      VERBOSE: 1
+    steps:
+      - uses: actions/checkout@v2
+        with:
+          submodules: true
+      - run: sudo apt install libipc-run3-perl
+        if: ${{ matrix.os == 'ubuntu-latest' }}
+      - run: brew install autoconf automake libtool
+        if: ${{ matrix.os == 'macos-latest' }}
+      - run: ./bootstrap
+      - run: ./configure
+        env:
+          CFLAGS: -std=c99 -Wall -Wextra -Werror -Wno-unused-function -Wno-unused-parameter ${{ matrix.posix }}
+      - run: make
+      - run: make check
+
+  test-cmake:
+    strategy:
+      matrix:
+        os: [ubuntu-latest, macos-latest, windows-latest]
+    name: CMake build on ${{matrix.os}}
+    runs-on: ${{ matrix.os }}
+    steps:
+      - uses: actions/checkout@v2
+        with:
+          submodules: true
+      - run: cmake -DBUILD_TESTING=ON -V .
+      - run: cmake --build .
+      - run: ctest -V .

vendor/MaxmindDB/.gitignore

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+*.la
+*.lo
+*.o
+*.so
+*.swp
+*/.deps
+*/.libs
+*~
+.\#*
+.gh-pages
+/INSTALL
+/autom4te.cache
+/bin/country_lookup
+/bin/mmdbdump
+/bin/mmdblookup
+/compile
+/config.*
+/configure
+/depcomp
+/include/maxminddb_config.h
+/install-sh
+/libmaxminddb-*
+/libtool
+/ltmain.sh
+/man
+/missing
+/src/libmaxminddb.pc
+/src/libmaxminddb.a
+/src/test-data-pool
+/t/*.log
+/t/*.trs
+/t/*_t
+/t/*-t
+/t/libtap.a
+/test-driver
+\#*\#
+aclocal.m4
+stamp-h*
+CMakeCache.txt
+CMakeFiles/
+CTestTestfile.cmake
+cmake_install.cmake
+Makefile
+Makefile.in
+Testing/
+install_manifest.txt

vendor/MaxmindDB/.gitmodules

@@ -0,0 +1,9 @@
+[submodule "maxmind-db"]
+	path = maxmind-db
+	url = https://github.com/maxmind/MaxMind-DB.git
+[submodule "t/libtap"]
+	path = t/libtap
+	url = https://github.com/zorgnax/libtap.git
+[submodule "t/maxmind-db"]
+	path = t/maxmind-db
+	url = https://github.com/maxmind/MaxMind-DB.git

vendor/MaxmindDB/.perltidyrc

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+--blank-lines-before-packages=0
+--iterations=2
+--no-outdent-long-comments
+-bar
+-boc
+-ci=4
+-i=4
+-l=78
+-nolq
+-se
+-wbb="% + - * / x != == >= <= =~ !~ < > | & >= < = **= += *= &= <<= &&= -= /= |= >>= ||= .= %= ^= x="

vendor/MaxmindDB/.uncrustify.cfg

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+#
+# based on uncrustify config file for the linux kernel
+#
+
+code_width               = 80
+indent_case_brace        = 4
+indent_columns           = 4
+indent_label             = 2         # pos: absolute col, neg: relative column
+indent_with_tabs         = 0
+
+#
+# inter-symbol newlines
+#
+nl_brace_else            = remove    # "} else" vs "} \n else" - cuddle else
+nl_brace_while           = remove    # "} while" vs "} \n while" - cuddle while
+nl_do_brace              = remove    # "do {" vs "do \n {"
+nl_else_brace            = remove    # "else {" vs "else \n {"
+nl_enum_brace            = remove    # "enum {" vs "enum \n {"
+nl_fcall_brace           = remove    # "list_for_each() {" vs "list_for_each()\n{"
+nl_fdef_brace            = force     # "int foo() {" vs "int foo()\n{"
+nl_for_brace             = remove    # "for () {" vs "for () \n {"
+nl_func_var_def_blk      = 0         # don't add newlines after a block of var declarations
+nl_if_brace              = remove    # "if () {" vs "if () \n {"
+nl_multi_line_define     = true
+nl_struct_brace          = remove    # "struct {" vs "struct \n {"
+nl_switch_brace          = remove    # "switch () {" vs "switch () \n {"
+nl_union_brace           = remove    # "union {" vs "union \n {"
+nl_while_brace           = remove    # "while () {" vs "while () \n {"
+
+
+#
+# Source code modifications
+#
+mod_full_brace_do        = force     # "do a--; while ();" vs "do { a--; } while ();"
+mod_full_brace_for       = force     # "for () a--;" vs "for () { a--; }"
+mod_full_brace_if        = force     # "if (a) a--;" vs "if (a) { a--; }"
+mod_full_brace_nl        = 3         # don't remove if more than 3 newlines
+mod_full_brace_while     = force     # "while (a) a--;" vs "while (a) { a--; }"
+mod_paren_on_return      = remove    # "return 1;" vs "return (1);"
+
+
+#
+# inter-character spacing options
+#
+sp_after_cast            = remove    # "(int) a" vs "(int)a"
+sp_after_comma           = force
+sp_after_sparen          = force     # "if () {" vs "if (){"
+sp_arith                 = force
+sp_assign                = force
+sp_assign                = force
+sp_before_comma          = remove
+sp_before_ptr_star       = force     # "char *foo" vs "char* foo
+sp_before_sparen         = force     # "if (" vs "if("
+sp_between_ptr_star      = remove    # "char * *foo" vs "char **foo"
+sp_bool                  = force
+sp_compare               = force
+sp_func_call_paren       = remove    # "foo (" vs "foo("
+sp_func_def_paren        = remove    # "int foo (){" vs "int foo(){"
+sp_func_proto_paren      = remove    # "int foo ();" vs "int foo();"
+sp_inside_braces         = force     # "{ 1 }" vs "{1}"
+sp_inside_braces_enum    = force     # "{ 1 }" vs "{1}"
+sp_inside_braces_struct  = force     # "{ 1 }" vs "{1}"
+sp_inside_sparen         = remove
+sp_paren_brace           = force
+sp_sizeof_paren          = remove    # "sizeof (int)" vs "sizeof(int)"
+
+#
+# Aligning stuff
+#
+align_enum_equ_span      = 4         # '=' in enum definition
+align_nl_cont            = true
+align_on_tabstop         = FALSE     # align on tabstops
+align_right_cmt_span     = 3
+align_struct_init_span   = 1
+align_struct_init_span   = 3         # align stuff in a structure init '= { }'
+align_var_def_star_style = 2         # void  *foo;
+align_var_struct_span    = 0
+align_with_tabs          = FALSE     # use tabs to align