; Update guides in /admin/notes/tree-sitter

; Update guides in /admin/notes/tree-sitter

* admin/notes/tree-sitter/html-manual/Language-Definitions.html
* admin/notes/tree-sitter/html-manual/Multiple-Languages.html
* admin/notes/tree-sitter/html-manual/Parser_002dbased-Font-Lock.html
* admin/notes/tree-sitter/html-manual/Parser_002dbased-Indentation.html
* admin/notes/tree-sitter/html-manual/Parsing-Program-Source.html
* admin/notes/tree-sitter/html-manual/Pattern-Matching.html
* admin/notes/tree-sitter/html-manual/Retrieving-Node.html
* admin/notes/tree-sitter/html-manual/Tree_002dsitter-C-API.html
* admin/notes/tree-sitter/html-manual/Using-Parser.html
* admin/notes/tree-sitter/starter-guide: Update to reflect changes
made recently.