chore: update flake

pkgs/overlays/default.nix

@@ -1,5 +1,6 @@
 [
   (import ./vesktop.nix)
+  (import ./proton-dw-bin.nix)
   # (import ./powerdns-admin.nix)
   # (import ./stalwart-mail)
 ]

pkgs/overlays/proton-dw-bin.nix

@@ -0,0 +1,41 @@
+final: prev: {
+  proton-dw-bin =
+    let
+      steamDisplayName = "Proton DW";
+    in
+    final.pkgs.stdenv.mkDerivation (finalAttrs: rec {
+      pname = "dwproton";
+      version = "10.0-14";
+
+      src = final.pkgs.fetchzip {
+        url = "https://dawn.wine/dawn-winery/dwproton/releases/download/${pname}-${finalAttrs.version}/${pname}-${finalAttrs.version}-x86_64.tar.xz";
+        hash = "sha256-5fDo7YUPhp0OwjdAXHfovSuFCgSPwHW0cSZk9E+FY98=";
+      };
+
+      dontUnpack = true;
+      dontConfigure = true;
+      dontBuild = true;
+
+      outputs = [
+        "out"
+        "steamcompattool"
+      ];
+
+      installPhase = ''
+        runHook preInstall
+        echo "${finalAttrs.pname} should not be installed into environments. Please use programs.steam.extraCompatPackages instead." > $out
+
+        mkdir $steamcompattool
+        ln -s $src/* $steamcompattool
+        rm $steamcompattool/compatibilitytool.vdf
+        cp $src/compatibilitytool.vdf $steamcompattool
+
+        runHook postInstall
+      '';
+
+      preFixup = ''
+        substituteInPlace "$steamcompattool/compatibilitytool.vdf" \
+          --replace-fail "${finalAttrs.pname}-${finalAttrs.version}-x86_64" "${steamDisplayName}"
+      '';
+    });
+}