Add support for dynamic hosts file management, browser opening, and new favicon handling in web server. Add elimination workflow UI enhancements with better state management and design.

TODO: Test elimination per finding type in web view

Figure out where RustDesk registry persistence is located. The installer is aware of it somehow

internal/web/templates/site.webmanifest

@@ -0,0 +1 @@
+{"name":"","short_name":"","icons":[{"src":"/android-chrome-192x192.png","sizes":"192x192","type":"image/png"},{"src":"/android-chrome-512x512.png","sizes":"512x512","type":"image/png"}],"theme_color":"#ffffff","background_color":"#ffffff","display":"standalone"}