refactor(plugin): modernize plugin architecture and improve type definitions

- Update package.json with modern build tooling and dependencies
- Streamline and enhance TypeScript definitions for better type safety
- Reorganize plugin structure for better maintainability
- Add comprehensive interface definitions for notification features
- Implement proper build configuration with rollup
- Update tsconfig.json for stricter type checking and ES2020 modules

Breaking Changes:
- Changed module structure to use ES modules
- Updated interface definitions with stricter typing
- Removed redundant notification options
- Simplified API surface while maintaining core functionality

Dependencies:
- Upgrade @capacitor dependencies to v5.7.8
- Add rollup and typescript build tools
- Update test framework configuration

src/index.ts

@@ -5,9 +5,10 @@
 
 import { registerPlugin } from '@capacitor/core';
 import type { DailyNotificationPlugin } from './definitions';
+import { DailyNotificationWeb } from './web';
 
 const DailyNotification = registerPlugin<DailyNotificationPlugin>('DailyNotification', {
-  web: () => import('./web').then(m => new m.DailyNotificationWeb()),
+  web: async () => new DailyNotificationWeb(),
 });
 
 export * from './definitions';