Include app templates to the lightning and app packages (#13731)

* Include app templates to the package

Co-authored-by: mansy <[email protected]>
Co-authored-by: Adrian Wälchli <[email protected]>

Author: 3 people

src/lightning/__setup__.py

@@ -39,6 +39,7 @@ def _adjust_manifest(**kwargs: Any) -> None:
         lines += [
             "recursive-include src *.md" + os.linesep,
             "recursive-include requirements *.txt" + os.linesep,
+            "recursive-include src/lightning_app/cli/*-template *" + os.linesep,  # Add templates
         ]
     with open(manifest_path, "w") as fp:
         fp.writelines(lines)

src/lightning_app/__setup__.py

@@ -50,6 +50,7 @@ def _adjust_manifest(**__: Any) -> None:
         "recursive-exclude requirements *.txt" + os.linesep,
         "recursive-include src/lightning_app *.md" + os.linesep,
         "recursive-include requirements/app *.txt" + os.linesep,
+        "recursive-include src/lightning_app/cli/*-template *" + os.linesep,  # Add templates
     ]
 
     # TODO: remove this once lightning-ui package is ready as a dependency