Add initial implementation of Map SDK and example app

- Create README for the main repository and example app
- Implement example app with MapView and Marker components
- Add package.json for example app with necessary scripts and dependencies
- Create Map SDK package with TypeScript wrapper around react-native-maps
- Define TypeScript configuration for the SDK

packages/map-sdk/tsconfig.json

@@ -0,0 +1,15 @@
+{
+    "compilerOptions": {
+        "target": "ES2019",
+        "module": "CommonJS",
+        "jsx": "react",
+        "declaration": true,
+        "outDir": "dist",
+        "strict": true,
+        "esModuleInterop": true,
+        "skipLibCheck": true
+    },
+    "include": [
+        "src/**/*"
+    ]
+}