feat: Add user registration component and authentication services

- Implemented Register component for user sign-up with form validation and network status handling.
- Created authAPI service for handling user login and registration with online/offline support.
- Developed localStorage service for managing user data and sessions offline.
- Introduced networkService for detecting online/offline status and managing connectivity.
- Defined authentication types for requests and responses.
- Added TypeScript configuration for the project.

metro.config.js

@@ -0,0 +1,11 @@
+const { getDefaultConfig, mergeConfig } = require('@react-native/metro-config');
+
+/**
+ * Metro configuration
+ * https://reactnative.dev/docs/metro
+ *
+ * @type {import('@react-native/metro-config').MetroConfig}
+ */
+const config = {};
+
+module.exports = mergeConfig(getDefaultConfig(__dirname), config);