GITBOOK-119: add doc: Develop data source plugins

Author: Openblocks-docs

docs/.gitbook/assets/datasource-plugins-1.png

@@ -53,7 +53,8 @@
 
 ## Build plugins
 
-* [Develop your first plugin](build-plugins/develop-your-first-plugin.md)
+* [Develop UI component plugins](build-plugins/develop-your-first-plugin.md)
+* [Develop data source plugins](build-plugins/develop-data-source-plugins.md)
 
 ## Workspace management
 

docs/.gitbook/assets/datasource-plugins-2.png

@@ -1,10 +1,6 @@
----
-description: >-
-  With Openblocks plugins, you can develop customized components that are
-  consistent with native components for your specific scenarios.
----
+# Develop UI component plugins
 
-# Develop customized plugins
+With Openblocks plugins, you can develop customized components that are consistent with native components for your specific scenarios.
 
 ## Initialization