add ob log and mysql related kv config

docs/config-reference/kv-config.md

@@ -29,38 +29,80 @@ configs:
 # monagent_pipeline.yaml
 configVersion: "2021-08-20T07:52:28.5443+08:00"
 configs:
+    # mysql 监控用户
+    - key: monagent.mysql.monitor.user
+      value: mysql_monitor_user
+      valueType: string
+    # mysql 监控用户密码
+    - key: monagent.mysql.monitor.password
+      value: mysql_monitor_password
+      valueType: string
+      encrypted: true
+    # mysql sql 端口
+    - key: monagent.mysql.sql.port
+      value: 3306
+      valueType: int64
+    # mysql 地址
+    - key: monagent.mysql.host
+      value: 127.0.0.1
+      valueType: string
+    # ob 监控用户
     - key: monagent.ob.monitor.user
       value: {monitor_user}
       valueType: string
+    # ob 监控用户密码
     - key: monagent.ob.monitor.password
       value: {monitor_password}
       valueType: string
       encrypted: true
+    # ob sql 端口
     - key: monagent.ob.sql.port
       value: {sql_port}
       valueType: int64
+    # ob rpc 端口
     - key: monagent.ob.rpc.port
       value: {rpc_port}
       valueType: int64
+    # ob 安装路径
+    - key: monagent.ob.install.path
+      value: {ob_install_path}
+      valueType: string
+    # 主机 ip
     - key: monagent.host.ip
       value: {host_ip}
       valueType: string
+    # ob 集群名
     - key: monagent.ob.cluster.name
       value: {cluster_name}
       valueType: string
+    # ob 集群 id
     - key: monagent.ob.cluster.id
       value: {cluster_id}
       valueType: int64
+    # ob zone 名字
     - key: monagent.ob.zone.name
       value: {zone_name}
       valueType: string
+    # ob 流水线开启状态
     - key: monagent.pipeline.ob.status
       value: {ob_monitor_status}
       valueType: string
+    # ob log 流水线开启状态
+    - key: monagent.pipeline.ob.log.status
+      value: {ob_log_monitor_status}
+      valueType: string
+    # 主机流水线开启状态
     - key: monagent.pipeline.node.status
       value: {host_monitor_status}
       valueType: string
-
+    # alertmanager 地址
+    - key: monagent.alertmanager.address
+      value: {alertmanager_address}
+      valueType: string
+    # mysql 流水线开启状态
+    - key: monagent.pipeline.mysql.status
+      value: inactive
+      valueType: string
 ```
 
 ## 配置模版