TypeScript compatibility (#379)

* Update file extensions and exports for TypeScript compatibility

* docs: fix typo in getting-started.md

* chore: add no-trailing-punctuation rule to VS Code settings

* feat: add @docusaurus/theme-mermaid for mermaid diagram support

* Update import paths for MermaidDiagram component

* remove redudndant check, use effect only runs after the component is mounted

* Update docusaurus.config.ts to fix syntax error

* bring back check because it's not possible to properly cancel a dynamic import

* feat: optimize dynamic import in CodeBlock component

* chore: update VS Code extensions.json with eslint recommendation

* Update docusaurus.config.ts to add GitHub repository link in header

package.json

@@ -1,6 +1,6 @@
 {
   "name": "actix-website",
-  "version": "2.0.0",
+  "version": "3.0.0",
   "private": true,
   "scripts": {
     "docusaurus": "docusaurus",
@@ -16,6 +16,7 @@
   "dependencies": {
     "@docusaurus/core": "^3.3.2",
     "@docusaurus/preset-classic": "^3.3.2",
+    "@docusaurus/theme-mermaid": "^3.3.2",
     "@fortawesome/fontawesome-svg-core": "^6.5.0",
     "@fortawesome/free-solid-svg-icons": "^6.5.0",
     "@fortawesome/react-fontawesome": "^0.2",
@@ -26,12 +27,15 @@
     "prism-react-renderer": "^2.3.0",
     "react": "^18.0.2",
     "react-dom": "^18.0.2",
-    "sass": "^1.71.0"
+    "sass": "^1.71.0",
+    "usehooks-ts": "^3.1.0"
   },
   "devDependencies": {
     "@docusaurus/module-type-aliases": "^3.3.2",
+    "@docusaurus/tsconfig": "^3.3.2",
     "@docusaurus/types": "^3.3.2",
-    "raw-loader": "^4.0.2"
+    "raw-loader": "^4.0.2",
+    "typescript": "^5.4.5"
   },
   "browserslist": {
     "production": [