docs/concepts: Reference catalog guides in bincompat

Reference bincompat guides in the bincompat concepts page.

Signed-off-by: Razvan Deaconescu <razvand@unikraft.io>

content/docs/concepts/bincompat.mdx

@@ -30,3 +30,11 @@ Note that, because Linux binaries are included, constructing new Linux binaries
 This is only the case for building binaries.
 Prebuilt binaries can be used and the ELF loader app itself can be built on multiple platforms (Linux, Windows, macOS).
 </Info>
+
+Binary-compatible apps are located in the Unikraft [application `catalog` repository](https://github.com/unikraft/catalog).
+Follow the guides below to know how to use and develop for the application catalog:
+
+- [Using the Application Catalog](/guides/catalog)
+- [Application Catalog: Behind the Scenes](/guides/catalog-internals)
+- [Application Catalog: Using Firecracker](/guides/catalog-firecracker)
+- [Adding Applications to the Catalog](/guides/catalog-add)