chore: add flameshot colors

Signed-off-by: jolheiser <john.olheiser@gmail.com>

apps/gui/flameshot.nix

@@ -5,6 +5,9 @@
       General = {
         showStartupLaunchMessage = false;
         saveAsFileExtension = ".png";
+        uiColor = "#313244";
+        contrastUiColor = "#b4befe";
+        userColors = "picker, #f5e0dc, #f2cdcd, #f5c2e7, #cba6f7, #f38ba8, #eba0ac, #fab387, #f9e2af, #a6e3a1, #94e2d5, #89dceb, #74c7ec, #89b4fa, #b4befe";
       };
     };
   };