chore: bootstrap repository tooling

Add npm and Bun dependency metadata.

Configure TypeScript and shared editor defaults.

Ignore dependencies, build output, caches, logs, and local files.

tsconfig.json

@@ -0,0 +1,19 @@
+{
+  "compilerOptions": {
+    "allowSyntheticDefaultImports": true,
+    "declaration": false,
+    "esModuleInterop": true,
+    "jsx": "react-jsx",
+    "lib": ["ES2022", "DOM", "DOM.Iterable"],
+    "module": "ESNext",
+    "moduleResolution": "Bundler",
+    "noEmit": true,
+    "paths": {
+      "@/*": ["./src/*"]
+    },
+    "skipLibCheck": true,
+    "strict": true,
+    "target": "ES2022"
+  },
+  "include": ["src", "examples", "scripts", "cli"]
+}