Catch generated_by dynamic files

Author: twsl

mkdocs_git_authors_plugin/plugin.py

@@ -123,6 +123,11 @@ def on_files(
                     f"[git-authors-plugin] Unable to find path for file {file.src_path}. "
                     "Generated, in-memory files won't have a git history."
                 )
+            elif hasattr(file, "generated_by") and file.generated_by:
+                logger.debug(
+                    f"[git-authors-plugin] The file {file.src_path} was generated by {file.generated_by}. "
+                    "Generated, dynamic files won't have a git history."
+                )
             elif path := file.abs_src_path:
                 if path.endswith(".md"):
                     _ = self.repo().page(path)