templates: add a minimal flake-parts template

templates/minimal-flake-parts/flake.nix

@@ -0,0 +1,30 @@
+{
+  inputs = {
+    nixpkgs.url = "github:nixos/nixpkgs?ref=nixos-unstable";
+
+    clan.url = "git+https://git.clan.lol/clan/clan-core?shallow=1";
+    clan.inputs.nixpkgs.follows = "nixpkgs";
+    clan.inputs.flake-parts.follows = "flake-parts";
+
+    flake-parts.url = "github:hercules-ci/flake-parts?shallow=1";
+    flake-parts.inputs.nixpkgs-lib.follows = "nixpkgs";
+
+  };
+
+  outputs =
+    inputs@{ flake-parts, ... }:
+    flake-parts.lib.mkFlake { inherit inputs; } (
+      { ... }:
+      {
+        systems = [
+          "x86_64-linux"
+        ];
+
+        imports = [
+          ./checks.nix
+          ./clan.nix
+          ./devshells.nix
+        ];
+      }
+    );
+}