feat: Initialize simple-lit-vite project with Lit and Vite setup

- Add README.md for project description and CLI usage
- Create main application component with basic structure in app.tsx
- Implement CodeMirror editor base functionality in editor.base.ts
- Extend CodeMirror editor for JSON support in editor.json.ts
- Add support for multiple languages in editor.ts
- Create utility functions for editor manipulation in editor.utils.ts
- Implement tab key formatting and indentation in tab.ts
- Add Tailwind CSS integration in index.css
- Develop JSON editor web component in json.ts
- Create a template component for rendering in lib.ts
- Set up main entry point in main.ts
- Configure TypeScript settings in tsconfig.json
- Define custom element typings in typings.d.ts
- Configure Vite for library and application builds in vite.config.lib.ts and vite.config.ts

.gitignore

@@ -0,0 +1,15 @@
+.env
+!.env*development
+
+node_modules
+
+dist
+pack-dist
+
+.DS_Store
+
+.pnpm-store
+
+.vite
+
+.astro