feat: copied some configuration from JaKooLit & ZaneyOS configs

scripts/rainbow-border.nix

@@ -0,0 +1,15 @@
+{ pkgs }:
+
+pkgs.writeShellScriptBin "rainbow-border" ''
+#!/bin/bash
+# /* ---- 💫 https://github.com/JaKooLit 💫 ---- */  ##
+# for rainbow borders animation
+
+function random_hex() {
+    random_hex=("0xff$(openssl rand -hex 3)")
+    echo $random_hex
+}
+
+# rainbow colors only for active window
+hyprctl keyword general:col.active_border $(random_hex)  $(random_hex) $(random_hex) $(random_hex) $(random_hex) $(random_hex) $(random_hex) $(random_hex) $(random_hex) $(random_hex)  270deg
+''

scripts/screenshot.nix

@@ -0,0 +1,5 @@
+{ pkgs }:
+
+pkgs.writeShellScriptBin "screenshot" ''
+  grim -g "$(slurp)" - | swappy -f -
+''