* fix: don't throw an error when the lit renderer doesn't provide a clientEntrypoint
* updating the framework-lit example to match new behavior
* fix: updating the playground example to latest lit syntax
* Adds support for a Lit renderer
This adds `@astrojs/renderer-lit`. An experimental Lit renderer.
* Removed cached submodule, mistake
* Prevent globals clobbering
* Add docs on globals
