Adding inital project

flake.nix

@@ -0,0 +1,40 @@
+{
+  description = "Godot Mono dev shell";
+
+  inputs = {
+    nixpkgs.url = "github:NixOS/nixpkgs/nixos-unstable";
+  };
+
+  outputs = { self, nixpkgs }:
+    let
+      supportedSystems = [ "x86_64-linux" "aarch64-linux" "x86_64-darwin" "aarch64-darwin" ];
+      forAllSystems = f: nixpkgs.lib.genAttrs supportedSystems (system: f {
+        pkgs = import nixpkgs { inherit system; };
+      });
+    in
+    {
+      devShells = forAllSystems ({ pkgs }: {
+        default = pkgs.mkShell {
+          nativeBuildInputs = with pkgs; [
+            godot-mono
+            # dotnet-sdk_9
+          ];
+
+          buildInputs = with pkgs; [
+            vscodium
+            omnisharp-roslyn
+            netcoredbg
+          ];
+
+          shellHook = ''
+            # export DOTNET_ROOT="${pkgs.dotnet-sdk_9}"
+            
+            # export MSBuildSDKsPath="${pkgs.dotnet-sdk_9}/sdk/${pkgs.dotnet-sdk_9.version}/Sdks"
+            
+            echo "// DEV SHELL LOADED //"
+            echo "Using .NET SDK Version: $(dotnet --version)"
+          '';
+        };
+      });
+    };
+}