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/logic/form-creator.ts

@@ -2065,7 +2065,7 @@ async function renderCanvas(): Promise<void> {
             const blobUrl = URL.createObjectURL(blob)
 
             const iframe = document.createElement('iframe')
-            iframe.src = `/pdfjs-viewer/viewer.html?file=${encodeURIComponent(blobUrl)}#page=${currentPageIndex + 1}&toolbar=0`
+            iframe.src = `${import.meta.env.BASE_URL}pdfjs-viewer/viewer.html?file=${encodeURIComponent(blobUrl)}#page=${currentPageIndex + 1}&toolbar=0`
             iframe.style.width = '100%'
             iframe.style.height = `${canvasHeight}px`
             iframe.style.border = 'none'