add more MIME types for chromium

plasma5/XDG_CONFIG_DIRS/mimeapps.list

@@ -1,5 +1,11 @@
 [Default Applications]
-inode/directory=kf5-org.kde.dolphin.desktop;
+# grep ^MimeType /usr/share/applications/chromium.desktop | sed 's/MimeType=//g' | tr ';' '\n' | sort -u | while read -r line; do echo $line=chromium.desktop; done
+application/xhtml+xml=chromium.desktop
+text/html=chromium.desktop
+text/mml=chromium.desktop
+text/xml=chromium.desktop
+x-scheme-handler/http=chromium.desktop
+x-scheme-handler/https=chromium.desktop
 x-scheme-handler/http=chromium.desktop;
 x-scheme-handler/https=chromium.desktop;
 x-scheme-handler/mailto=thunderbird.desktop;