chore(k8s): router rewrite

- returned to Host matcher instead of Hostregexp
- switched dockercompose labels to letsencrypt
- renamed DoH route

downtify/compose.yaml

@@ -15,7 +15,7 @@ services:
       - "traefik.http.routers.downtify.rule=Host(`downtify.forust.xyz`)"
       - "traefik.http.routers.downtify.entrypoints=websecure"
       - "traefik.http.routers.downtify.middlewares=security-chain@file"
-      - "traefik.http.routers.downtify.tls=true"
+      - "traefik.http.routers.downtify.tls.certresolver=letsencrypt"
       # Local Router
       - "traefik.http.routers.downtify-local.rule=Host(`downtify.workstation.internal`)"
       - "traefik.http.routers.downtify-local.entrypoints=websecure"