feat: complete done zsh install and swith to zinit

.install/zshfish.sh

@@ -0,0 +1,26 @@
+# ------------------------------------------------------
+# Select additional shell
+# ------------------------------------------------------
+echo -e "${GREEN}"
+figlet "Zsh Fish"
+echo -e "${NONE}"
+echo "Please select if you want to install zsh or fish."
+echo
+zshfish=$(gum choose --no-limit --cursor-prefix "( ) " --selected-prefix "(x) " --unselected-prefix "( ) " "zsh" "fish")
+
+if [ -z "${zshfish}" ] ;then
+    echo ":: No shell selected. Keep using bash."
+else
+    echo "Please select your default shell."
+	echo
+	shell=$(echo "bash\n$zshfish" | gum choose --limit=1 -cursor-prefix "( ) " --selected-prefix "(x) " --unselected-prefix "( ) ")
+	sudo chsh -s $(which $shell) $(whoami)
+    if [[ $zshfish == *"zsh"* ]]; then
+		echo ":: zsh selected"
+		source .install/zsh.sh
+	fi
+	if [[ $zshfish == *"fish"* ]]; then
+		echo ":: fish selected"
+		source .install/fish.sh
+	fi
+fi