docs: Add unk.finance (#709)

docs/src/getting-started/projects.md

@@ -15,3 +15,4 @@ Open a pull request to add your project to the [list](https://github.com/project
 * [Solend](https://solend.fi)
 * [Drift Trade (formerly Moët)](https://www.drift.trade/)
 * [SpringBoard](https://springboard.finance/)
+* [Unk](https://unk.finance/)