Fix PSD frontend network wiring

deploy/compose.psd-local.yaml.example

@@ -31,6 +31,11 @@ services:
       - ./deploy/workspaces/psd.yaml:/app/harness/config/tht.yaml:ro
       - ${THT_PSD_WORKSPACE_HOST_PATH:?set THT_PSD_WORKSPACE_HOST_PATH}:/data/workspaces/psd
 
+  frontend:
+    networks: !override
+      default:
+        aliases: [frontend, thothii-frontend]
+
 volumes:
   thoth_data:
   thoth_pi_config:

harness/tests/test_psd_local_compose_contract.py

@@ -52,6 +52,10 @@ def test_psd_overlay_uses_generated_workspace_for_default_and_named_commands():
     assert "/run/secrets/thothii.secrets" in targets
     assert set(compose["volumes"]) == {"thoth_data", "thoth_pi_config"}
     assert core["networks"]["default"]["aliases"] == ["core", "thothii-core"]
+    frontend = compose["services"]["frontend"]
+    assert frontend["networks"] == {
+        "default": {"aliases": ["frontend", "thothii-frontend"]}
+    }
     assert compose["networks"]["default"] == {
         "external": True,
         "name": "thothii_default",