Convert to TypeScript

- Renamed bring → bring.ts
- Added TypeScript interfaces for type safety
- Added tsconfig.json for TypeScript configuration
- Updated package.json with TypeScript dependencies
- Updated SKILL.md with TypeScript usage instructions
- Added dist/ to .gitignore

Co-Authored-By: Claude Sonnet 4.5 <noreply@anthropic.com>

tsconfig.json

@@ -0,0 +1,19 @@
+{
+  "compilerOptions": {
+    "target": "ES2020",
+    "module": "commonjs",
+    "lib": ["ES2020"],
+    "outDir": "./dist",
+    "rootDir": "./",
+    "strict": true,
+    "esModuleInterop": true,
+    "skipLibCheck": true,
+    "forceConsistentCasingInFileNames": true,
+    "resolveJsonModule": true,
+    "declaration": true,
+    "declarationMap": true,
+    "sourceMap": true
+  },
+  "include": ["*.ts"],
+  "exclude": ["node_modules", "dist"]
+}