feat(database): add Nacos Pulsar Qdrant and ZooKeeper recipes

deploy/database/zookeeper/3.9/compose.yaml

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+services:
+  database:
+    image: docker.cnb.cool/znb/images/zookeeper:3.9.5
+    container_name: dbx-zookeeper-3.9
+    ports:
+      - "${DB_BIND_ADDRESS:-127.0.0.1}:${DB_PORT:-2182}:2181"
+    volumes:
+      - data:/data
+      - datalog:/datalog
+    healthcheck:
+      test: ["CMD-SHELL", "zkServer.sh status | grep -q 'Mode: standalone'"]
+      interval: 5s
+      timeout: 5s
+      retries: 30
+      start_period: 15s
+volumes:
+  data:
+  datalog:

deploy/database/zookeeper/3.9/init/README.md

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+# ZooKeeper 3.9 initialization
+
+The recipe runner creates `/dbx` with a Digest ACL for `root` and password `123456` (or `DB_PASSWORD`). ZooKeeper does not have a global username/password login switch; clients must authenticate with `addauth digest root:<password>` before accessing this protected node.

deploy/database/zookeeper/3.9/recipe.json

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+{
+  "database": "zookeeper",
+  "name": "ZooKeeper",
+  "version": "3.9.5",
+  "displayVersion": "3.9",
+  "image": "docker.cnb.cool/znb/images/zookeeper:3.9.5",
+  "platforms": ["linux/amd64", "linux/arm64"],
+  "service": "database",
+  "defaultPort": 2181,
+  "connection": { "host": "127.0.0.1", "port": 2182, "username": "root", "password": "123456", "database": "dbx", "authScheme": "digest" },
+  "bootstrap": {
+    "check": { "command": ["sh", "-ec", "printf 'addauth digest root:%s\\nget /dbx\\nquit\\n' \"$1\" | zkCli.sh -server 127.0.0.1:2181", "sh", "${DB_PASSWORD}"], "expect": "DBX smoke" },
+    "steps": [{ "name": "create Digest-protected smoke node", "command": ["sh", "-ec", "printf 'addauth digest root:%s\\ncreate /dbx \"DBX smoke\" auth:root:%s:cdrwa\\nquit\\n' \"$1\" \"$1\" | zkCli.sh -server 127.0.0.1:2181", "sh", "${DB_PASSWORD}"], "expect": "Created /dbx" }]
+  },
+  "shell": ["zkCli.sh", "-server", "127.0.0.1:2181"],
+  "smoke": { "steps": [{ "name": "reject anonymous access to protected node", "command": ["sh", "-ec", "printf 'get /dbx\\nquit\\n' | zkCli.sh -server 127.0.0.1:2181 || true"], "expect": "Insufficient permission" }, { "name": "read protected node with Digest credentials", "command": ["sh", "-ec", "printf 'addauth digest root:%s\\nget /dbx\\nquit\\n' \"$1\" | zkCli.sh -server 127.0.0.1:2181", "sh", "${DB_PASSWORD}"], "expect": "DBX smoke" }] }
+}