Add tree-sitter admin notes

Add tree-sitter admin notes

starter-guide: Guide on writing major mode features.
build-module: Script for building official language definitions.
html-manual: HTML version of the manual for easy access.

* admin/notes/tree-sitter/build-module/README: New file.
* admin/notes/tree-sitter/build-module/batch.sh: New file.
* admin/notes/tree-sitter/build-module/build.sh: New file.
* admin/notes/tree-sitter/starter-guide: New file.
* admin/notes/tree-sitter/html-manual/Accessing-Node.html: New file.
* admin/notes/tree-sitter/html-manual/Language-Definitions.html: New file.
* admin/notes/tree-sitter/html-manual/Multiple-Languages.html: New file.
* admin/notes/tree-sitter/html-manual/Parser_002dbased-Font-Lock.html:
New file.
* admin/notes/tree-sitter/html-manual/Parser_002dbased-Indentation.html:
New file.
* admin/notes/tree-sitter/html-manual/Parsing-Program-Source.html: New
file.
* admin/notes/tree-sitter/html-manual/Pattern-Matching.html: New file.
* admin/notes/tree-sitter/html-manual/Retrieving-Node.html: New file.
* admin/notes/tree-sitter/html-manual/Tree_002dsitter-C-API.html: New
file.
* admin/notes/tree-sitter/html-manual/Using-Parser.html: New file.
* admin/notes/tree-sitter/html-manual/build-manual.sh: New file.
* admin/notes/tree-sitter/html-manual/manual.css: New file.