refactor: update network refs form "traefik-proxy" to "proxy"

- To allow testing dev vers of other services

downtify/compose.yaml

@@ -29,11 +29,11 @@ services:
       - traefik.http.routers.downtify-dev.service=downtify
       - traefik.http.routers.downtify-dev.tls=true
     networks:
-      - traefik-proxy
+      - proxy
 
     volumes:
       - ./Downtify_downloads:/downloads
 
 networks:
-  traefik-proxy:
+  proxy:
     external: true