feat: 添加hotpoint内容，一个包含mysql+phpmyadmin+metabase的集成演示工具

hotpoint/hotpoint.yaml

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+version: '3.1'
+
+services:
+  db:
+    image: mysql:5.7
+    restart: always
+    environment:
+      MYSQL_ROOT_PASSWORD: shaojj
+    ports:
+      - "3306:3306"
+    volumes:
+      - mysqlData:/var/lib/mysql
+    networks:
+      - hotpoint
+
+  dashboard:
+    image: metabase/metabase
+    depends_on:
+      - db
+    ports:
+      - "3000:3000"
+    networks:
+      - hotpoint
+    volumes:
+      - metabase:/metabase-data
+    environment:
+      - MB_DB_FILE=/metabase-data/metabase.db
+  phpmyadmin:
+    image: phpmyadmin/phpmyadmin
+    depends_on:
+      - db
+    environment:
+      PMA_HOST: db
+
+    ports:
+      - 3001:80
+    networks:
+      - hotpoint
+volumes:
+  mysqlData:
+  metabase:
+  
+networks:
+  hotpoint:
+    #external: true
+    driver: overlay
+    ipam:
+      config:
+        - subnet: 192.169.0.0/24

hotpoint/readme.md

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+# 说明
+
+mysql+phpmyadmin+metabase套件，可以通过phpmyadmin进行数据库图形化管理，通过metabase进行数据图形化展示
+
+# 部署
+
+执行一下语句
+```
+$ sudo docker stack deploy -c hotpoint.yaml hotpoint
+```
+
+# 注意
+**此部署脚本建立在swarm集群之上，如果没有创建swarm集群请先执行以下语句：**
+```
+$ sudo docker swarm init
+```
+
+**然后才能执行前面部署章节的内容**