docs: add Star History chart to README

README.md

@@ -492,6 +492,16 @@ The `.codegraph/config.json` file controls indexing:
 
 **Missing symbols** — The MCP server auto-syncs on save (wait a couple seconds). Run `codegraph sync` manually if needed. Check that the file's language is supported and isn't excluded by config patterns.
 
+## Star History
+
+<a href="https://www.star-history.com/?repos=colbymchenry%2Fcodegraph&type=date&legend=top-left">
+ <picture>
+   <source media="(prefers-color-scheme: dark)" srcset="https://api.star-history.com/chart?repos=colbymchenry/codegraph&type=date&theme=dark&legend=top-left" />
+   <source media="(prefers-color-scheme: light)" srcset="https://api.star-history.com/chart?repos=colbymchenry/codegraph&type=date&legend=top-left" />
+   <img alt="Star History Chart" src="https://api.star-history.com/chart?repos=colbymchenry/codegraph&type=date&legend=top-left" />
+ </picture>
+</a>
+
 ## License
 
 MIT