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

.prettierrc

@@ -0,0 +1,10 @@
+{
+  "semi": true,
+  "trailingComma": "es5",
+  "singleQuote": true,
+  "printWidth": 80,
+  "tabWidth": 2,
+  "useTabs": false,
+  "bracketSpacing": true,
+  "arrowParens": "avoid"
+}