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

- To allow testing dev vers of other services

termix/compose.yaml

@@ -11,7 +11,7 @@ services:
       PORT: "8080"
     labels:
       - "traefik.enable=true"
-      - "traefik.docker.network=traefik-proxy"
+      - "traefik.docker.network=proxy"
 
       # Prod Router
       - "traefik.http.routers.termix.rule=Host(`termix.forust.xyz`)"
@@ -35,10 +35,10 @@ services:
       - "traefik.http.routers.termix-dev.service=termix"
       - "traefik.http.routers.termix-dev.tls=true"
     networks:
-      - traefik-proxy
+      - proxy
 
 networks:
-  traefik-proxy:
+  proxy:
     external: true
 
 volumes: