fix: update Docker registry url to match new container naming scheme

.env.default

@@ -3,7 +3,7 @@
 
 # ============= Backend =============
 BACKEND_PORT=6567              # Port on which the backend service should listen to requests.
-BACKEND_VERSION=master-latest  # Want to use a specific image for backend? Put the branch name here, followed by a hyphen and 5-character commit hash. Otherwise the latest one will get pulled.
+BACKEND_VERSION=latest         # Want to use a specific image for backend? Put the branch here followed by a release tag (like master-v1.2.3). Otherwise the latest one will get pulled.
 
 # Postgres and TypeORM
 PG_USER=kitty
@@ -20,4 +20,4 @@ DEBUG=false                    # Set to `false` to disable some features not mea
 
 # ============  Frontend ============
 FRONTEND_PORT=6568             # Port on which the frontend service should listen to requests.
-FRONTEND_VERSION=master-latest # Want to use a specific image for frontend? Put the branch name here, followed by a hyphen and 5-character commit hash. Otherwise the latest one will get pulled.
+FRONTEND_VERSION=latest        # Want to use a specific image for frontend? Put the branch here followed by a release tag (like master-v1.2.3). Otherwise the latest one will get pulled.

docker-compose.yaml

@@ -1,13 +1,14 @@
 # kittyurl docker compose config
 # 
 # Tip: Please do not change values listed here. Instead, modify your .env file.
+# 
 
 name: kittyurl
 services:
 
   # kittyfe:
   #   container_name: frontend
-  #   image: gitea.7o7.cx/kittyteam/kittyfe:${FRONTEND_VERSION:-master-latest}
+  #   image: gitea.7o7.cx/kittyteam/kittyfe:${FRONTEND_VERSION:-latest}
   #   env_file:
   #     - .env
   #   ports:
@@ -18,7 +19,7 @@ services:
 
   kittybe:
     container_name: backend
-    image: gitea.7o7.cx/kittyteam/kittybe:${BACKEND_VERSION:-master-latest}
+    image: gitea.7o7.cx/kittyteam/kittybe:${BACKEND_VERSION:-latest}
     env_file:
       - .env
     ports: