[improve][ENV] Add help files and fix some dependency issue.

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+# Introduction
+ 
+  GrootStream is a real-time ETL platform based on the concepts of flow-based programing. Groot provides a template to quickly build a data flow job. It includes sources, filters, processing pipelines and sinks etc. 
+The main format of the config template file is `yaml`, for more details of this format type you can refer to [YAML-GUIDE](https://yaml.org/spec/1.2/spec.html).
+
+# Job Config
+
+## Config file structure
+
+## Schema
+
+## Sources
+
+
+## Filters
+
+## Processing Pipelines
+
+## Sinks
+
+## Application
+
+### ENV
+
+
+
+
+