convert flake-update to a submodule type

Signed-off-by: ahuston-0 <aliceghuston@gmail.com>

utils/default.nix

@@ -0,0 +1,21 @@
+{
+  config,
+  lib,
+  pkgs,
+  ...
+}:
+
+{
+  # create rad-dev namespace for lib
+  rad-dev = {
+    # any(), but checks if any value in the list is true
+    # type:
+    # anyBool:: [bool] -> bool
+    anyBool = lib.any (n: n);
+
+    # pulls a value out of an attrset and converts it to a list
+    # type:
+    # mapGetAttr :: String -> Attrset -> [Any]
+    mapGetAttr = (attr: set: lib.mapAttrsToList (_: attrset: lib.getAttr attr attrset) set);
+  };
+}