Initial commit need to add nix code to setup service and timer example service and timer are provided

package.nix

@@ -0,0 +1,30 @@
+{ buildGoModule, gitMinimal }:
+# This is the wrapping around mkderivation that abstracts away the standard boilerplate logic for building go packages.
+buildGoModule {
+  # The final built binary name.
+  pname = "go-hello";
+  # The binary version | NEEDS TO BE IN STEP WITH GO MOD.
+  version = "v1.0.0";
+  # In 'nix develop', we don't need a copy of the source tree
+  # in the Nix store.
+  src = builtins.path {
+    name = "source";
+    path = ./.;
+  };
+
+  # required deps for build time nativeBuildInputs are runtime deps
+  buildInputs = [
+    # Just an example input
+    gitMinimal
+  ];
+  # This hash locks the dependencies of this package. It is
+  # necessary because of how Go requires network access to resolve
+  # VCS.  See https://www.tweag.io/blog/2021-03-04-gomod2nix/ for
+  # details. Normally one can build with a fake hash and rely on native Go
+  # mechanisms to tell you what the hash should be or determine what
+  # it should be "out-of-band" with other tooling (eg. gomod2nix).
+  # To begin with it is recommended to set this, but one must
+  # remember to bump this hash when your dependencies change.
+  # vendorHash = pkgs.lib.fakeHash;
+  vendorHash = null;
+}