feat: install some emulators.

modules/linux/home-manager/emulators.nix

@@ -10,19 +10,30 @@
 
   config = lib.mkIf config.crony.emulators.enable {
     home.packages = with pkgs; [
-      # (retroarch.withCores (
-      #   cores:
-      #     with cores; [
-      #       beetle-saturn
-      #       mupen64plus
-      #       flycast
-      #       desmume
-      #     ]
-      # ))
-      # duckstation
-      # pcsx2
-      # dolphin-emu
+      (retroarch.withCores (
+        cores:
+          with cores; [
+            flycast
+            genesis-plus-gx
+            gambatte
+            mgba
+            mupen64plus
+            fbneo
+            mesen
+            beetle-ngp
+            beetle-pce
+            beetle-saturn
+            snes9x
+            desmume
+            swanstation
+          ]
+      ))
+      pcsx2
+      dolphin-emu
       rpcs3
+      xemu
+      xenia-canary
+      cemu
       # mame-tools
       # steam-rom-manager
       # shadps4 # flatpak version just works