overlays: patch prismlauncher to allow cracked accounts

nixos/packages/overlays/default.nix

@@ -3,6 +3,7 @@
 {
   imports = [
     ./nautilus.nix
-    ./sway.nix # broken
+    ./sway.nix
+    ./prismlauncher.nix
   ];
 }

nixos/packages/overlays/prismlauncher.nix

@@ -0,0 +1,22 @@
+{ ... }:
+
+{
+  nixpkgs = {
+    overlays = [
+      (final: prev:
+        {
+          prismlauncher = prev.prismlauncher.overrideAttrs (old: {
+            # Offline mode for Prism Launcher
+            # .patch file from some Misterio77's nix-config repo
+            patches = (old.patches or []) ++ [
+              (prev.fetchpatch {
+                url = "https://raw.githubusercontent.com/Misterio77/nix-config/main/overlays/offline-mode-prism-launcher.diff";
+                hash = "sha256-vMcAvhD0Ms4Tvwpzs/YfORc8ki7MNMurdJJ/yswfxFM=";
+              })
+            ];
+          });
+        }
+      )
+    ];
+  };
+}