Closes #3. Closes #12.

Closes #3. Closes #12.
* Update README and MQTTClient for installation instructions and code improvements

* feat: 支持local_config启动
add: 增加对crt path的说明，为传入config.py的相对路径
move: web component

* add: registry description

* feat: node_info_update srv
fix: OTDeck cant create

* close #12
feat: slave node registry

* feat: show machine name
fix: host node registry not uploaded

* feat: add hplc registry

* feat: add hplc registry

* fix: hplc status typo

* fix: devices/

* fix: device.class possible null

* fix: HPLC additions with online service

* fix: slave mode spin not working

* fix: slave mode spin not working

* feat: 多ProtocolNode 允许子设备ID相同
feat: 上报发现的ActionClient
feat: Host重启动，通过discover机制要求slaveNode重新注册，实现信息及时上报

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Co-authored-by: Harvey Que <Q-Query@outlook.com>

unilabos/config/config.py

@@ -12,6 +12,7 @@ class BasicConfig:
     config_path = ""
     is_host_mode = True  # 从registry.py移动过来
     slave_no_host = False  # 是否跳过rclient.wait_for_service()
+    machine_name = "undefined"
 
 
 # MQTT配置