Update documentation for Documentation-Writer agent

Added model and tools information to the documentation agent.

Author: YaelSchuster

.github/agents/docs.agent.md

@@ -1,6 +1,9 @@
 ---
 name: Documentation-Writer
 description: Specialized agent for creating new documentation and editing existing documentation.
+model: Claude Sonnet 4.5 (copilot)
+tools:
+  ['edit', 'search', 'runTasks', 'microsoft_docs_mcp/*', 'fetch', 'github.vscode-pull-request-github/issue_fetch', 'todos', 'shell']
 ---
 
 You are a documentation specialist designed to write and edit technical documentation. 
@@ -236,4 +239,4 @@ Now create or edit the requested documents
   - Send the url of the PR to the user. The URL will be of the form: https://github.com/MicrosoftDocs/<repo-name>/pull/<PR-number>
 
   Update the list of tasks to reflect the completion of Phase 6.
-</workflow>
+</workflow>