docs: add further readings

Author: georgeh0

docs/docs/core/flow_methods.mdx

@@ -1,13 +1,13 @@
 ---
-title: Run a Flow
+title: Operate a Flow
 toc_max_heading_level: 4
-description: Run a CocoIndex Flow, including build / update data in the target and evaluate the flow without changing the target.
+description: Operate a CocoIndex Flow, including build / update data in the target and evaluate the flow without changing the target.
 ---
 
 import Tabs from '@theme/Tabs';
 import TabItem from '@theme/TabItem';
 
-# Run a CocoIndex Flow
+# Operate a CocoIndex Flow
 
 After a flow is defined as discussed in [Flow Definition](/docs/core/flow_def), you can start to transform data with it.
 

docs/docs/tutorials/manage_flow_dynamically.mdx

@@ -293,3 +293,10 @@ From this tutorial, we walked through major flow management / operation APIs pro
 For simplicity, we use an in-memory `dict` as source of truth for the flow parameters.
 You can replace it with your own mechanism, e.g. table from a database, a configuration file, etc.
 You can trigger these APIs from your applications specific to your use case, e.g. from a specific API endpoint of a web server.
+
+## Further readings
+
+You can see the following documents for more details:
+
+*   [CocoIndex Flow Definition: Entry Point](/docs/core/flow_def#entry-point)
+*   [Operate a Flow](/docs/core/flow_methods)