zsh: add kitty specific alias

.config/zsh/aliases.zsh

@@ -85,6 +85,11 @@ alias alert='print -n "\a"'
 # deprecated
 alias machklein='mksmol'
 
+# kitty
+if [[ ${TERMINAL} == "kitty" ]]; then
+    alias icat='kitten icat'
+fi
+
 # OS specific settings.
 if [[ -f /etc/gentoo-release ]]; then
     # Directory aliases for some Gentoo paths