Added manual packaging on Msty

etc/nixos/modules/pkgs/msty/default.nix

@@ -0,0 +1,36 @@
+{
+  appimageTools,
+  fetchurl,
+  nodejs,
+  nodePackages,
+  uv,
+  python3,
+  makeWrapper,
+}: let
+  pname = "msty-studio";
+  version = "0.4.0";
+  src = fetchurl {
+    url = "https://next-assets.msty.studio/app/alpha/linux/MstyStudio_x86_64.AppImage";
+    sha256 = "sha256-zJcGK7QEL3ROgVJy13mMdY/437H3Zx8EwSXy7rEhV9w=";
+  };
+  appimageContents = appimageTools.extractType2 {inherit pname version src;};
+in
+  appimageTools.wrapType2 {
+    inherit pname version src;
+    nativeBuildInputs = [makeWrapper];
+    extraPkgs = pkgs: [
+      nodejs
+      nodePackages.npm
+      uv
+      python3
+    ];
+    extraInstallCommands = ''
+      install -m 444 -D ${appimageContents}/MstyStudio.desktop -t $out/share/applications
+      substituteInPlace $out/share/applications/MstyStudio.desktop \
+              --replace 'Exec=AppRun' 'Exec=${pname}'
+      install -m 444 -D ${appimageContents}/MstyStudio.png \
+              $out/share/icons/hicolor/256x256/apps/MstyStudio.png
+              wrapProgram $out/bin/${pname} \
+                      --prefix PATH : ${nodejs}/bin:${nodePackages.npm}/bin:${uv}/bin:${python3}/bin
+    '';
+  }

etc/nixos/modules/programs.nix

@@ -82,8 +82,9 @@
     spotify
 
     # INTERNET #
-    telegram-desktop
+    pkgs-unstable.telegram-desktop
     element-desktop
+    wasistlos
     vesktop
     geary
     tutanota-desktop
@@ -146,6 +147,8 @@
     # WINE #
     wineWowPackages.stable
     winetricks
+
+    (callPackage ./pkgs/msty/default.nix {}) 
   ];
 
   # Enable Flaktpak