feat: add TypeScript lessons and learning panel

- Introduced a new script to check TypeScript lesson files for errors.
- Created a main TypeScript file to render lessons and their details.
- Added lesson definitions with starter and answer codes.
- Implemented a user interface for navigating and running lessons.
- Styled the application with CSS for a better user experience.
- Updated README to reflect the new TypeScript section and usage instructions.

06-typescript/package.json

@@ -0,0 +1,21 @@
+{
+  "name": "06-typescript",
+  "private": true,
+  "version": "1.0.0",
+  "type": "module",
+  "scripts": {
+    "dev": "vite",
+    "build": "vite build",
+    "preview": "vite preview",
+    "check": "tsc --noEmit -p ./tsconfig.json && node ./scripts/check-lessons.mjs",
+    "check:app": "tsc --noEmit -p ./tsconfig.json",
+    "check:lessons": "node ./scripts/check-lessons.mjs"
+  },
+  "devDependencies": {
+    "typescript": "latest",
+    "vite": "latest"
+  },
+  "dependencies": {
+    "pnpm": "^10.32.1"
+  }
+}