docs: add link to color grading example

Author: nartc

apps/documentation/docs/advanced/performance.mdx

@@ -68,6 +68,6 @@ In those cases, we can opt into on-demand rendering, which will only render when
 
 :::info
 
-Check out [TBD: Color Grading Stackblitz example](#) to see on-demand rendering in action.
+Check out [Color Grading example](https://angular-threejs-demo.netlify.app/color-grading) to see on-demand rendering in action.
 
 :::