adding browser extension and some QoL

f0ckm-uploader-gui.desktop

@@ -3,11 +3,12 @@ Type=Application
 Name=f0ckm Uploader
 GenericName=Image & Media Uploader
 Comment=System tray GUI uploader for f0ckm
-Exec=__EXEC_PATH__
+Exec=__EXEC_PATH__ %u
 Icon=__ICON_PATH__
 Terminal=false
 Categories=Utility;Network;
 Keywords=upload;screenshot;f0ckm;tray;
+MimeType=x-scheme-handler/f0ckm;x-scheme-handler/f0ckm-uploader;
 StartupNotify=false
 Actions=capture;