feat: add zen browser .desktop

private_dot_local/private_share/private_applications/zen.desktop

@@ -0,0 +1,21 @@
+[Desktop Entry]
+
+# The type as listed above
+Type=Application
+
+
+# The name of the application
+Name=Zen Browser
+
+# A comment which can/will be used as a tooltip
+Comment=zen
+
+
+# The executable of the application, possibly with arguments.
+Exec=zen
+
+# The name of the icon that will be used to display this entry
+Icon=zen
+
+# Describes whether this application needs to be run in a terminal or not
+Terminal=false