ci: Improve Docker build workflow and update dependencies

- Add release type detection to distinguish between version tags and edge builds
- Implement separate Docker build steps for release and edge builds with appropriate tags
- Add edge and SHA-based image tags for main branch builds
- Update nginx configuration to support Vietnamese (vi) language routing
- Simplify nginx location block to handle static files and fallback to index.html
- Remove javascript-obfuscator and ts-migrate from dependencies
- Update README with simplified self-hosting instructions using npx http-server
- Consolidate multiple server setup examples into single recommended approach
- Update build preview command to use npm run preview instead of npx serve
- Improve localization files for German, English, Vietnamese, and Chinese
- Update worker files and TypeScript logic files for improved functionality
- Enhance PDF tool pages with better structure and internationalization support

src/js/utils/helpers.ts

@@ -168,7 +168,7 @@ export async function initializeQpdf() {
   showLoader('Initializing PDF engine...');
   try {
     qpdfInstance = await createModule({
-      locateFile: () => '/qpdf.wasm',
+      locateFile: () => import.meta.env.BASE_URL + 'qpdf.wasm',
     });
   } catch (error) {
     console.error('Failed to initialize qpdf-wasm:', error);
@@ -280,6 +280,6 @@ export function getPDFDocument(src: any) {
   // This is required for PDF.js v5+ to load OpenJPEG for certain images
   return pdfjsLib.getDocument({
     ...params,
-    wasmUrl: '/pdfjs-viewer/wasm/',
+    wasmUrl: import.meta.env.BASE_URL + 'pdfjs-viewer/wasm/',
   });
 }