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.

package.json

@@ -0,0 +1,33 @@
+{
+  "name": "modern-recurring-events-webpart",
+  "version": "1.0.0",
+  "private": true,
+  "main": "lib/index.js",
+  "engines": { "node": ">=6.9.0 <9.0.0" },
+  "scripts": {
+    "build": "gulp bundle",
+    "clean": "gulp clean",
+    "test": "tsc --noEmit -p . && tsc -p tests/tsconfig.json && node temp/tests/tests/RecurringEventsCore.test.js && node tests/validate-project.js",
+    "package": "npm test && gulp clean && gulp bundle --ship && gulp package-solution --ship"
+  },
+  "dependencies": {
+    "@microsoft/sp-core-library": "1.4.1",
+    "@microsoft/sp-http": "1.4.1",
+    "@microsoft/sp-office-ui-fabric-core": "1.4.1",
+    "@microsoft/sp-webpart-base": "1.4.1",
+    "@types/es6-promise": "0.0.33",
+    "@types/react": "15.6.6",
+    "@types/react-dom": "15.5.6",
+    "@types/webpack-env": "1.13.1",
+    "react": "15.6.2",
+    "react-dom": "15.6.2"
+  },
+  "devDependencies": {
+    "@microsoft/sp-build-web": "1.4.1",
+    "@microsoft/sp-module-interfaces": "1.4.1",
+    "@microsoft/sp-tslint-rules": "1.4.1",
+    "@microsoft/sp-webpart-workbench": "1.4.1",
+    "ajv": "5.2.2",
+    "gulp": "~3.9.1"
+  }
+}