improvements to desktop file

Add german comment. (Seems to be ignored in GNOME.)
Add generic name.
Add keywords.
Add %F parameter to Exec. Currently not supported, but I may add support later.

src/install.py

@@ -26,16 +26,19 @@ def _linux_install_desktop_file():
     if apps_dir.exists() and apps_dir.is_dir():
         krowlog_desktop_file = apps_dir.joinpath("krowlog.desktop")
         if not krowlog_desktop_file.exists():
-            desktop_file_data = textwrap.dedent("""
-            [Desktop Entry]
+            desktop_file_data = textwrap.dedent("""[Desktop Entry]
             Type=Application
+            Version=1.5
             Terminal=false
             Name=KrowLog
-            Comment=A viewer for files of arbitrary size.
-            Categories=Development;Utility;TextTools;IDE;
-            MimeType=text/plain;text/x-log
+            GenericName=Log Viewer
+            Comment=A viewer for text files of arbitrary size.
+            Comment[de]=Betrachter für Textdateien beliebiger Größe.
+            Categories=Qt;Development;Utility;TextTools;IDE;Viewer;
+            Keywords=Text;Viewer;
+            MimeType=text/plain;text/x-log;
             Icon=krowlog
-            Exec={binary}
+            Exec={binary} %F
             """.format(binary=Path(sys.executable).resolve()))
             krowlog_desktop_file.write_text(desktop_file_data, "utf8")