fix: replace deprecated require_once() with DokuWiki autoloading and namespace usage

fix: log ChromaDB errors as error level instead of debug

refactor: replace deprecated dbglog() with Logger::debug() for ChromaDB logging

fix: replace deprecated dbglog() with \dokuwiki\Logger

refactor: send page content directly to ChromaDB without temporary file

feat: add ChromaDB integration for page saving

refactor: move processDirectory to ChromaDBClient class and keep verbose output in CLI

refactor: remove redundant return statements in ensureCollectionExists method

refactor: move processSingleFile to ChromaDBClient class and keep verbose output in CLI

refactor: move echo messages from class to cli and return status instead

refactor: move ensureCollectionExists function to ChromaDBClient class as method

refactor: move parseFilePath function to end of file

refactor: move parseFilePath function to chromadb_client.php

fix: add mobile menu hack for copy button functionality

fix: update svg path to include images directory

chore: move copy.svg to images directory

refactor: remove unused addStyles function and its call

docs: add descriptive comment header to CSS file explaining plugin styles

refactor: move css styles to external style.css file

feat: add support for DokuWiki header syntax in convertToHtml function

feat: add DokuWiki syntax support to convertToHtml function

fix: declare appendButton with const to prevent global variable error

refactor: remove unnecessary comment and streamline append button creation

feat: show append button for all actions instead of only analyze

style: adjust append button position to be closer to close button