v2.1.0 of text_highlight_codespark

Flutter widget for highlighting rich text — single query, multiple queries with per-term colors, regex patterns, tappable spans, and rounded-corner styling. Changelog excerpt: ### Added - Comprehensive ///dartdoc comments on all public classes, constructors, and fields — visible on hover in VS Code and rendered on pub.dev. - repositoryand issue_trackerfields in pubspec.yamlfor better pub.dev discoverability. - topicsfield (text, search, ui, widget, regex) for pub.dev topic search. - Platform declarations (android, ios, linux, macos, web, windows) for full platform support scoring. - Overhauled README.mdwith author attribution, pub.de[...]