chore(docs): update CHANGELOG and README

Author: Blarc

CHANGELOG.md

@@ -2,6 +2,10 @@
 
 ## [Unreleased]
 
+### Added
+
+- Support for Qianfan (Ernie).
+
 ## [2.0.0] - 2024-06-08
 
 ### Added

README.md

@@ -38,6 +38,7 @@ plugin and configure a LLM API client in plugin's settings: <kbd>Settings</kbd>
 
 - Open AI
 - Ollama
+- Qianfan (Ernie)
 
 The plugin is implemented in a generic way and uses [langchain4j](https://github.com/langchain4j/langchain4j) for creating LLM API clients. If you would like to use some other LLM model that is supported by langchain4j, please make a feature request in GitHub issues.