Docs: Fix module cross-reference links in generated docs (#227)

Fixes: #226

Author: pyrtsa

Sources/CasePaths/Documentation.docc/CasePaths.md

@@ -7,7 +7,7 @@ Case paths bring the power and ergonomics of key paths to enums.
 This module exports the core functionality of the Case Paths library, as well as the `@CasePathable`
 macro.
 
-To read the core documentation, see the [`CasePathsCore`](../casepathscore) module.
+To read the core documentation, see the [`CasePathsCore`](./casepathscore) module.
 
 ## Topics
 

Sources/CasePathsCore/Documentation.docc/CasePathsCore.md

@@ -7,7 +7,7 @@ Case paths bring the power and ergonomics of key paths to enums.
 This module contains the core functionality of the Case Paths library, minus the `@CasePathable`
 macro, and is automatically imported when you `import CasePaths`
 
-See the [`CasePaths`](../casepaths) module for information about the `@CasePathable` macro and
+See the [`CasePaths`](./casepaths) module for information about the `@CasePathable` macro and
 other non-core functionality.
 
 ## Topics