deploy: new h5 build, /v2/h5 route, restore /v2-api & /public proxy

- replace deploy/h5 with latest h5 build (base /h5/)
- nginx: add /v2/h5/ passthrough to v2-admin
- nginx: restore lost /v2-api/ and /public/ proxy locations
- compose: join inkreach-shared network so v1 admin can resolve v2-admin

deploy/docker-compose.yml

@@ -50,7 +50,18 @@ services:
       - ./certbot/acme:/etc/nginx/certs:ro
     extra_hosts:
       - "host.docker.internal:host-gateway"
+    networks:
+      default:
+      shared:
+        # 接入 v2 栈的共享网络，使 /v2/* 的 proxy_pass 能解析 v2-admin / v2-api
+        aliases:
+          - v1-admin
 
 volumes:
   pgdata:
   uploads:
+
+networks:
+  shared:
+    external: true
+    name: inkreach-shared