refactor: update layout again

src/frontend/extractor/__init__.py

@@ -0,0 +1,7 @@
+from .common import Extractor
+from .aust_extractor import AustExtractor
+
+__all__ = [
+    'Extractor',
+    'AustExtractor'
+]

src/frontend/extractor/aust_extractor.py

@@ -0,0 +1,8 @@
+from .common import Extractor
+
+class AustExtractor(Extractor):
+    
+    def __init__(self) -> None:
+        pass
+
+

src/frontend/extractor/common.py

@@ -0,0 +1,7 @@
+from abc import ABC, abstractmethod
+
+class Extractor(ABC):
+    pass
+
+
+

src/xthesis2docx/__main__.py

@@ -1,9 +0,0 @@
-from cli.xthesis2docx import XThesis2DocxCli, parse_cli
-
-
-def main(opts: XThesis2DocxCli):
-    pass
-
-
-if __name__ == "__main__":
-    main(parse_cli())