feat: elm template init

templates/elm/flake.nix

@@ -0,0 +1,21 @@
+{
+  description = "Elm Environment";
+
+  inputs = {
+    nixpkgs.url = "github:NixOS/nixpkgs/nixos-unstable";
+  };
+
+  outputs = inputs @ {
+    flake-parts,
+    self,
+    ...
+  }: let
+    system = "x86_64-linux";
+  in
+    flake-parts.lib.mkFlake {inherit inputs;} {
+      imports = [
+        ./parts
+      ];
+      systems = [system];
+    };
+}