flake-parts: rename lib' to conf

Signed-off-by: Amneesh Singh <natto@weirdnatto.in>

conf/default.nix

@@ -0,0 +1,13 @@
+{ inputs, self, ... }:
+{
+  config._module.args.globalArgs = {
+    _module.args = {
+      inherit inputs self;
+      flake = self;
+      conf = {
+        colors = import ./colors.nix;
+        network = import ./network.nix;
+      };
+    };
+  };
+}