Add Dynamic Poll Web Part with core functionality and styling

- Initialize Gulp build process with gulpfile.js
- Create package.json for project dependencies and scripts
- Add TypeScript declarations for SCSS modules
- Implement DynamicPollWebPart with property pane configuration
- Create PollDataService for SharePoint list interactions
- Develop core polling logic in PollCore.ts
- Define types for polls and answers in PollTypes.ts
- Create React components for DynamicPoll UI
- Add localization support for English and German
- Implement unit tests for core polling functionality
- Set up TypeScript and TSLint configurations

tests/tsconfig.json

@@ -0,0 +1,17 @@
+{
+  "compilerOptions": {
+    "target": "es5",
+    "module": "commonjs",
+    "moduleResolution": "node",
+    "outDir": "../temp/tests",
+    "skipLibCheck": true,
+    "typeRoots": ["../node_modules/@types", "../node_modules/@microsoft"],
+    "types": ["es6-promise"]
+  },
+  "files": [
+    "../src/webparts/dynamicPoll/PollTypes.ts",
+    "../src/webparts/dynamicPoll/PollCore.ts",
+    "PollCore.test.ts"
+  ]
+}
+