add base flake template

base-flake/.envrc

@@ -0,0 +1 @@
+use flake

base-flake/flake.nix

@@ -0,0 +1,16 @@
+{
+  inputs = {
+    nixpkgs.url = github:NixOS/nixpkgs/nixpkgs-unstable;
+    utils.url = github:numtide/flake-utils;
+  };
+
+  outputs = { self, nixpkgs, utils }:
+    utils.eachDefaultSystem (system:
+      let
+        pkgs = import nixpkgs { inherit system; };
+      in
+      {
+        devShells.default = { };
+      });
+
+}

flake.nix

@@ -0,0 +1,11 @@
+{
+  description = "My personal templates";
+
+  outputs = { self }: {
+    templates = {
+      path = ./base-flake;
+      description = "An empty flake for each default system";
+    };
+    defaultTemplate = self.templates.base-flake;
+  };
+}