update update.md (#2937)

Author: LittleLittleCloud

dotnet/website/articles/toc.yml

@@ -85,9 +85,9 @@
     - name: Examples
       items:
         - name: Chat with LLaMA
-          href: AutoGen.Ollama/Chat-with-LLaMA.md
+          href: AutoGen.Ollama/Chat-with-llama.md
         - name: MultiModal Chat with LLaVA
-          href: AutoGen.Ollama/Chat-with-LLaVA.md
+          href: AutoGen.Ollama/Chat-with-llava.md
 
 - name: AutoGen.Gemini
   items:

dotnet/website/update.md

@@ -1,3 +1,8 @@
+##### Update on 0.0.15 (2024-06-13) Milestone: [AutoGen.Net 0.0.15](https://github.com/microsoft/autogen/milestone/3)
+
+###### Highlights
+- [Issue 2851](https://github.com/microsoft/autogen/issues/2851) `AutoGen.Gemini` package for Gemini support. Examples can be found [here](https://github.com/microsoft/autogen/tree/main/dotnet/sample/AutoGen.Gemini.Sample)
+
 ##### Update on 0.0.14 (2024-05-28)
 ###### New features
 - [Issue 2319](https://github.com/microsoft/autogen/issues/2319) Add `AutoGen.Ollama` package for Ollama support. Special thanks to @iddelacruz for the effort.