build(nix): nixified the project

flake.nix

@@ -0,0 +1,70 @@
+{
+  description = "Dust-Mail client";
+
+  inputs = {
+    systems.url = "github:nix-systems/default";
+    flake-compat.url = "https://flakehub.com/f/edolstra/flake-compat/1.tar.gz";
+  };
+
+  outputs =
+    { systems
+    , nixpkgs
+    , ...
+    } @ inputs:
+
+    let
+      eachSystem = f:
+        nixpkgs.lib.genAttrs (import systems) (
+          system:
+          f nixpkgs.legacyPackages.${system}
+        );
+
+      # package = builtins.fromJSON (builtins.readFile "./package.json");
+
+      buildInputs = pkgs: with pkgs;
+        [
+          # You can set the major version of Node.js to a specific one instead
+          # of the default version
+          nodejs_20
+
+          nodePackages.npm
+          yarn
+
+          nodePackages.typescript
+          nodePackages.typescript-language-server
+        ];
+
+    in
+    {
+      devShells = eachSystem
+        (pkgs: {
+          default = pkgs.mkShell
+            {
+              buildInputs = buildInputs pkgs;
+            };
+        });
+
+      packages = eachSystem
+        (pkgs: {
+          default = pkgs.buildNpmPackage
+            {
+              pname = "dust-mail-web";
+              version = "1.0.2";
+
+              src = ./.;
+
+              npmDepsHash = "sha256-+ILACZEyev4sZDw/kuQl6RGhWGKYCHJvbMuOIUvOGk0=";
+
+              npmFlags = [ "--legacy-peer-deps" ];
+
+              buildInputs = buildInputs pkgs;
+
+              buildPhase = ''npm run build'';
+
+              installPhase = '''';
+            };
+
+        });
+    };
+
+}