Add test files for manual verification of the Slint LSP integration:
- hello.slint: Sample Slint component with common UI elements
- TEST_RESULTS.md: Checklist template for testing LSP features
Co-Authored-By: Claude (auto) <noreply@anthropic.com>
This provider loads the Slint TextMate grammar file and registers it with
IntelliJ's TextMate system. Also adds the required textmate plugin dependency
to build.gradle.kts.
Co-Authored-By: Claude (auto) <noreply@anthropic.com>