docs(common): add changelog article for AI assistant

ai/changelog.md

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+---
+title: Changelog
+meta_title: Telerik Blazor AI Coding Assistant Changelog
+description: Learn about the latest changes, improvements and bug fixes in the Telerik UI for Blazor AI Coding Assistant.
+slug: ai-changelog
+tags: AI, changelog, updates
+position: 10
+---
+
+# Telerik Blazor AI Coding Assistant Changelog
+
+Learn about the latest changes, improvements and bug fixes in the Telerik UI for Blazor AI Coding Assistant. The updates are structured in a chronological order with the newest ones appearing first.
+
+## November, 2025 Changelog
+
+* Updated component snippets with refined code examples.
+* Improved API descriptions for better context matching and accuracy.
+* Overall improvement of the coding assistant answers through enhanced documentation context.
+
+## August, 2025 Changelog
+
+* Refactoring of internal tools leading to continuous improvements of the quality of the coding assistant.
+
+## May, 2025 Changelog
+
+* Initial launch of the AI Coding Assistant for Blazor.
+* Provides intelligent code suggestions, context-aware documentation, and quick access to component APIs.
+* Streamlines development workflow with automated code generation and error detection.
+
+## See Also
+
+* [Telerik Blazor AI Coding Assistant Overview](slug:ai-overview)
+* [MCP Server](slug:ai-mcp-server)