feat: Implement RSSI service for iOS and Web platforms

- Added IosRssiService to handle synthetic RSSI data for iOS.
- Created WebRssiService to simulate RSSI scanning on the web.
- Defined shared types for WifiNetwork and RssiService in rssi.service.ts.
- Introduced simulation service to generate synthetic sensing data.
- Implemented WebSocket service for real-time data handling with reconnection logic.
- Established Zustand stores for managing application state related to MAT and pose data.
- Developed theme context and utility functions for consistent styling and formatting.
- Added type definitions for various application entities including API responses and sensing data.
- Created utility functions for color mapping and URL validation.
- Configured TypeScript settings for the mobile application.

ui/mobile/app.config.ts

@@ -0,0 +1,12 @@
+export default {
+  name: 'WiFi-DensePose',
+  slug: 'wifi-densepose',
+  version: '1.0.0',
+  ios: {
+    bundleIdentifier: 'com.ruvnet.wifidensepose',
+  },
+  android: {
+    package: 'com.ruvnet.wifidensepose',
+  },
+  // Use expo-env and app-level defaults from the project configuration when available.
+};