feat(rust-esp32-c6): make the rust-esp32-c6 template

rust-esp32-c6/default.nix

@@ -0,0 +1,44 @@
+{
+  flake-parts-lib,
+  inputs,
+  self,
+  ...
+}: {
+  flake = {
+    templates = {
+      rust-esp32-c6 = {
+        path = ./template;
+        description = "ESP32-C6 RISC-V rust project with a blink led example";
+      };
+    };
+
+    flakeModules.rust-esp32-c6 = {
+      imports = [
+        inputs.treefmt-nix.flakeModule
+        self.outputs.flakeModules.rust
+      ];
+
+      options.perSystem = flake-parts-lib.mkPerSystemOption ({
+        lib,
+        config,
+        pkgs,
+        self',
+        ...
+      }: let
+        cfg = config.krantz.rust.esp32-c6;
+
+        craneLib = config.krantz.rust.craneLib;
+      in {
+        options.krantz.rust.esp32-c6 = {
+          enable = lib.mkEnableOption "additional tooling for the esp32 RISC-V";
+        };
+
+        config = lib.mkIf cfg.enable {
+          krantz.rust.devDeps = lib.mkOptionDefault (with pkgs; [
+            espflash
+          ]);
+        };
+      });
+    };
+  };
+}