Finish embedded $ syntax

[benStre]

• [x] Download plugin WASM file into uix directory and use instead of npm module
• [x] Fix JUSIX (recursion, $.map)
• [x] Optimize static pointers for jsx input only inline content, collapse immediately to plain value in _$ function
• [x] CI for custom deno build
• [x] Create new major UIX release with breaking changes and enable experimental features per default
• [ ] Create conversion script for legacy projects
• [x] update docs
• [x] experimental_features: ['legacy_jsx'] to disable jusix for frontend
• [x] move .swc directory to datex-cache