Link the app config file explanation and schema in CS1702 page (#48194)

Author: BartoszKlonowski

docs/csharp/misc/cs1702.md

@@ -12,4 +12,8 @@ ms.assetid: 106b9994-c762-44b9-942e-5417cf3dbbab
 
 Assuming assembly reference "Assembly Name #1" matches "Assembly Name #2", you may need to supply runtime policy
 
- The two assembly references have differing build and/or revision numbers, so will not automatically unify. You may need to supply run-time policy to force unification by `using` directives in the application .config file.
+ The two assembly references have differing build and/or revision numbers, so will not automatically unify. You may need to supply run-time policy to force unification by `using` directives in the application [.config file](../../framework/configure-apps/index.md#application-configuration-files).
+
+## See also
+
+- [Configuration File Schema](../../framework/configure-apps/file-schema/application-settings-schema.md)