kitty: add page (#6676)

pages/common/kitty.md

@@ -0,0 +1,24 @@
+# kitty
+
+> A fast, feature-rich, GPU based terminal emulator.
+> More information: <https://sw.kovidgoyal.net/kitty/>.
+
+- Open a new terminal:
+
+`kitty`
+
+- Open a terminal with the specified title for the window:
+
+`kitty --title "{{title}}"`
+
+- Start the theme-chooser builtin:
+
+`kitty +kitten themes`
+
+- Display an image in the terminal:
+
+`kitty +kitten icat {{path/to/image}}`
+
+- Copy the contents of stdin to the clipboard:
+
+`echo {{example}} | kitty +kitten clipboard`