[habits] Adds beaver habits. [oidc] Sets up OIDC auth forwarding, it works, but not sure which header.

system/hosts/mcp/containers/havenisms.com/default.nix

@@ -1,6 +1,8 @@
 { ... }:
 {
   imports = [
+    ./beaver-habits.nix
     ./chat.nix
+    ./storyden.nix
   ];
 }