[timetagger,traefik] Adds timetagger back, and attempts to put it behind an oauth proxy, but the traefik config isn't quite right.

system/hosts/mcp/containers.nix

@@ -16,6 +16,7 @@
     ./containers/searxng.nix
     ./containers/shared-postgres.nix
     ./containers/synapse.nix
+    ./containers/timetagger.nix
     ./containers/traefik.nix
     ./containers/users.nix
   ];
@@ -50,7 +51,8 @@
       inherit (import ./containers/lib.nix config)
         hostRuleHavenisms
         localHostRuleHavenisms
-        havenisms;
+        havenisms
+        ;
     in
     {
       jellyfin = {