docs: Add further links to install README
Add developer guide and runtime repo links to the installation README.
Fixes
@@ -4,3 +4,8 @@ Select your preferred distribution:
* [Fedora](https://github.com/kata-containers/documentation/blob/master/install/fedora-installation-guide.md)
* [Ubuntu](https://github.com/kata-containers/documentation/blob/master/install/ubuntu-installation-guide.md)
+
+For further information, see:
+
+* The [developer guide](https://github.com/kata-containers/documentation/blob/master/Developer-Guide.md)
+* The [runtime documentation](https://github.com/kata-containers/runtime/blob/master/README.md)
