meta: add initial CODEOWNERS file

PR-URL: #20554
Reviewed-By: Gus Caplan <me@gus.host>
Reviewed-By: Trivikram Kamat <trivikr.dev@gmail.com>
Reviewed-By: Michaël Zasso <targos@protonmail.com>
Reviewed-By: Matheus Marchini <matheus@sthima.com>

.github/CODEOWNERS

@@ -0,0 +1,86 @@
+# Remember: order matters. Subsequent rules will override prior rules.
+
+*addons* @nodejs/addon-api
+*assert* @nodejs/testing
+*async_hook* @nodejs/async_hooks @nodejs/diagnostics
+*async_wrap* @nodejs/async_hooks
+*buffer* @nodejs/buffer
+*child_process* @nodejs/child_process
+*cluster* @nodejs/cluster
+*crypto* @nodejs/crypto
+*eslint* @nodejs/linting
+*fs* @nodejs/fs
+*tls* @nodejs/tls @nodejs/crypto
+*dgram* @nodejs/dgram
+*domain* @nodejs/domains
+*http* @nodejs/http
+*http2* @nodejs/http2
+*https* @nodejs/http @nodejs/crypto @nodejs/tls @nodejs/http2
+*inspector* @nodejs/V8-inspector
+*net* @nodejs/streams
+*node_api* @nodejs/n-api
+*repl* @nodejs/repl
+*stream* @nodejs/streams
+*timer* @nodejs/timers
+*trace_events* @nodejs/trace-events
+*url* @nodejs/url
+*util* @nodejs/util
+*vm* @nodejs/vm
+*zlib* @nodejs/zlib
+
+*esm* @nodejs/modules
+/lib/internal/modules/esm/ @nodejs/modules
+/lib/internal/bootstrap/loaders.js @nodejs/modules
+
+/src/node.cc @nodejs/process
+/src/node_file.* @nodejs/fs
+/src/node_stat_watcher.* @nodejs/fs
+/lib/internal/bootstrap/ @nodejs/process
+/lib/internal/process/ @nodejs/process
+/test/ @nodejs/testing
+
+/deps/node-inspect @nodejs/V8-inspector
+/deps/gtest/ @nodejs/testing @nodejs/v8 @nodejs/v8-update
+/deps/icu/ @nodejs/intl
+/deps/http_parser/ @nodejs/http-parser @nodejs/http
+/deps/zlib/ @nodejs/zlib
+/deps/uv/ @nodejs/libuv
+/deps/npm/ @nodejs/npm
+/deps/v8/ @nodejs/v8 @nodejs/v8-update
+/deps/zlib @nodejs/zlib
+/deps/openssl @nodejs/crypto
+
+/benchmark/ @nodejs/performance @nodejs/benchmarking
+
+/doc/ @nodejs/documentation
+*.md @nodejs/documentation
+*.py @nodejs/python
+*.gyp @nodejs/gyp
+
+Makefile @nodejs/build
+vcbuild.bat @nodejs/build
+BUILDING.md @nodejs/build
+configure @nodejs/build
+BSDMakefile @nodejs/build
+android-configure @nodejs/build
+
+*aix* @nodejs/platform-aix
+*arm* @nodejs/platform-arm
+*freebsd* @nodejs/platform-freebsd
+*macos* @nodejs/platform-macos
+*ppc* @nodejs/platform-ppc
+*smartos* @nodejs/platform-smartos
+*s390* @nodejs/platform-s390
+*windows* @nodejs/platform-windows
+
+CODE_OF_CONDUCT.md @nodejs/tsc
+COLLABORATOR_GUIDE.md @nodejs/tsc
+CONTRIBUTING.md @nodejs/tsc
+CPP_STYLE_GUIDE.md @nodejs/tsc
+GOVERNANCE.md @nodejs/tsc
+LICENSE @nodejs/tsc
+README.md @nodejs/tsc
+
+/src/node_postmortem_metadata.cc @nodejs/diagnostics @nodejs/post-mortem
+/src/*.d @nodejs/diagnostics @nodejs/platform-smartos @nodejs/platform-freebsd @nodejs/platform-macos @nodejs/dtrace-mdb
+/src/node.stp @nodejs/diagnostics