feat: add Telegram sticker import functionality

- Implemented TelegramImport component for importing sticker packs from Telegram using a bot token.
- Added utility functions for animated sticker conversion (TGS and WEBM to GIF).
- Created telegramStickerImport module to handle fetching and processing of Telegram sticker sets.
- Introduced GIF.js type definitions for TypeScript support.

vite.config.js

@@ -18,6 +18,10 @@ const copyFiles = {
       dest: '',
       rename: 'pdf.worker.min.js',
     },
+    {
+      src: 'node_modules/gif.js/dist/gif.worker.js',
+      dest: '',
+    },
     {
       src: 'netlify.toml',
       dest: '',
@@ -67,6 +71,32 @@ function serverMatrixSdkCryptoWasm(wasmFilePath) {
   };
 }
 
+function serveGifWorker() {
+  return {
+    name: 'vite-plugin-serve-gif-worker',
+    configureServer(server) {
+      server.middlewares.use((req, res, next) => {
+        if (req.url === '/gif.worker.js') {
+          const resolvedPath = path.join(path.resolve(), '/node_modules/gif.js/dist/gif.worker.js');
+
+          if (fs.existsSync(resolvedPath)) {
+            res.setHeader('Content-Type', 'application/javascript');
+            res.setHeader('Cache-Control', 'no-cache');
+
+            const fileStream = fs.createReadStream(resolvedPath);
+            fileStream.pipe(res);
+          } else {
+            res.writeHead(404);
+            res.end('File not found');
+          }
+        } else {
+          next();
+        }
+      });
+    },
+  };
+}
+
 export default defineConfig({
   appType: 'spa',
   publicDir: false,
@@ -81,6 +111,7 @@ export default defineConfig({
   },
   plugins: [
     serverMatrixSdkCryptoWasm('/node_modules/.vite/deps/pkg/matrix_sdk_crypto_wasm_bg.wasm'),
+    serveGifWorker(),
     topLevelAwait({
       // The export name of top-level await promise for each chunk module
       promiseExportName: '__tla',