doc: create maintaining folder for deps

Author: marco-ippolito

doc/contributing/maintaining-V8.md renamed to doc/maintaining/maintaining-V8.md

@@ -0,0 +1,38 @@
+# Maintaining Overview
+
+This document provides the list of the dependencies for the project:
+
+* acorn
+* ada
+* base64
+* brotli
+* [c-ares][]
+* [cjs-module-lexer][]
+* corepack
+* googletest
+* histogram
+* [icu-small][]
+* [llhttp][]
+* [nghttp2][]
+* ngtcp2
+* [npm][]
+* [openssl][]
+* [postject][]
+* simdutf
+* undici
+* uv
+* [uvwasi][]
+* [V8][]
+* [zlib][]
+
+[V8]: ./maintaining-V8.md
+[c-ares]: ./maintaining-c-ares.md
+[cjs-module-lexer]: ./maintaining-cjs-module-lexer.md
+[icu-small]: ./maintaining-icu.md
+[llhttp]: ./maintaining-http.md
+[nghttp2]: ./maintaining-nghttp2.md
+[npm]: ./maintaining-npm.md
+[openssl]: ./maintaining-openssl.md
+[postject]: ./maintaining-postject.md
+[uvwasi]: ./maintaining-web-assembly.md
+[zlib]: ./maintaining-zlib.md