* Support for analytics configuration via URL parameters in widget mode
Adds:
- posthogApiHost
- posthogApiKey
- rageshakeSubmitUrl
- sentryDsn
- sentryEnvironment
Deprecate analyticsId and use posthogUserId instead
* Partial test coverage
* Simplify tests
* More tests
* Lint
* Split embedded only parameters into own section for clarity
* Update docs/url-params.md
* Update docs/url-params.md
* Update vite.config.js