add scala template

README.md

@@ -83,3 +83,8 @@ nix flake init -t "github:piq9117/nix-templates#react-ts"
 ``` sh
 nix flake init -t "github:piq9117/nix-templates#react-js"
 ```
+
+# Scala
+```sh
+nix flake init -t "github:piq9117/nix-templates#scala"
+```

flake.nix

@@ -43,6 +43,11 @@
         path = ./react-js-template;
         description = "React JS Template";
       };
+
+      scala = {
+        path = ./scala-template;
+        description = "Scala Template";
+      };
     };
   };
 }

scala-template/flake.nix

@@ -0,0 +1,33 @@
+{
+  description = "A basic scala flake";
+
+  inputs = {
+    nixpkgs.url = "github:NixOS/nixpkgs/nixos-23.11";
+  };
+
+  outputs = {self, nixpkgs}: 
+    let
+      supportedSystems = ["x86_64-linux"];
+      forAllSystems = f: nixpkgs.lib.genAttrs supportedSystems (system: f system);
+      nixpkgsFor = forAllSystems(system: import nixpkgs {
+        inherit system;
+	overlays = [self.overlay];
+      });
+    in { 
+      overlay = final: prev: {};
+      devShells = forAllSystems(system: 
+        let
+	  pkgs = nixpkgsFor.${system};
+        in {
+	  default = pkgs.mkShell {
+	    buildInputs = with pkgs; [
+	      sbt 
+	      metals
+	    ];
+	    shellHook = ''
+	      export PS1='[$PWD]\n❄ '
+	    '';
+	  };
+	});
+    };
+}