add functions for picking colorscheme

functions.sh

@@ -0,0 +1,18 @@
+#!/bin/env bash
+command=$(tinty list | $launcher)
+qsc() { qs ipc call "$@"; }
+switch-theme() {
+        case ${1} in
+                fuzzel)
+                        choice=$(tinty list | fuzzel -d)
+                        tinty apply $choice
+                        ;;
+                fzf)
+                        choice=$(tinty list | fzf)
+                        tinty apply $choice
+                        ;;
+                *)
+                        printf    "usage: switch-theme <selector>\n<selector can be either fuzzel or fzf\n"
+        esac
+
+}