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/config.json

@@ -0,0 +1,16 @@
+{
+  "$schema": "https://developer.microsoft.com/json-schemas/spfx-build/config.2.0.schema.json",
+  "version": "2.0",
+  "bundles": {
+    "modern-recurring-events-webpart": {
+      "components": [{
+        "entrypoint": "./lib/webparts/recurringEvents/RecurringEventsWebPart.js",
+        "manifest": "./src/webparts/recurringEvents/RecurringEventsWebPart.manifest.json"
+      }]
+    }
+  },
+  "externals": {},
+  "localizedResources": {
+    "RecurringEventsWebPartStrings": "lib/webparts/recurringEvents/loc/{locale}.js"
+  }
+}