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.

android/settings.gradle

@@ -0,0 +1,6 @@
+pluginManagement { includeBuild("../node_modules/@react-native/gradle-plugin") }
+plugins { id("com.facebook.react.settings") }
+extensions.configure(com.facebook.react.ReactSettingsExtension){ ex -> ex.autolinkLibrariesFromCommand() }
+rootProject.name = 'LynkedUpPro'
+include ':app'
+includeBuild('../node_modules/@react-native/gradle-plugin')