Add Recurring Events Web Part with data service and UI components

- Implement RecurringEventsDataService for fetching events from SharePoint lists.
- Define types for events and categories in RecurringEventsTypes.
- Create RecurringEventsWebPart to manage properties and render events.
- Develop UI components for displaying events in filmstrip and compact layouts.
- Add localization support for English and German languages.
- Implement tests for core functionalities related to event handling.
- Set up TypeScript and TSLint configurations for the project.

config/package-solution.json

@@ -0,0 +1,12 @@
+{
+  "$schema": "https://developer.microsoft.com/json-schemas/spfx-build/package-solution.schema.json",
+  "solution": {
+    "name": "modern-recurring-events-webpart",
+    "title": "modern-recurring-events-webpart",
+    "id": "f1082b4a-bbdf-4d31-852d-97e0685c20e2",
+    "version": "1.0.0.0",
+    "includeClientSideAssets": true,
+    "skipFeatureDeployment": true
+  },
+  "paths": { "zippedPackage": "solution/modern-recurring-events-webpart.sppkg" }
+}