Add python template

template/python/flake.nix

@@ -0,0 +1,28 @@
+{
+  inputs = {
+    nixpkgs.url = "github:NixOS/nixpkgs/nixpkgs-unstable";
+    flake-utils.url = "github:numtide/flake-utils";
+  };
+
+  outputs = {
+    self,
+    flake-utils,
+    nixpkgs,
+  }:
+    flake-utils.lib.eachDefaultSystem (system: let
+      pkgs = nixpkgs.legacyPackages.${system};
+    in {
+      devShells.default = pkgs.mkShell {
+        packages = with pkgs; [
+          (
+            python3.withPackages (pyPkgs:
+              with pyPkgs; [
+                pylsp-mypy
+                python-lsp-ruff
+                python-lsp-server
+              ])
+          )
+        ];
+      };
+    });
+}