Create facebook dropin - working for images + text. CAVEAT: only gets the first ~100 chars of the post at the moment

src/auto_archiver/modules/generic_extractor/dropin.py

@@ -1,3 +1,4 @@
+from typing import Type
 from yt_dlp.extractor.common import InfoExtractor
 from auto_archiver.core.metadata import Metadata
 from auto_archiver.core.extractor import Extractor
@@ -23,6 +24,8 @@ class GenericDropin:
 
     """
 
+    extractor: Type[Extractor] = None
+
     def extract_post(self, url: str, ie_instance: InfoExtractor):
         """
         This method should return the post data from the url.
@@ -55,4 +58,11 @@ class GenericDropin:
         """
         This method should download any additional media from the post.
         """
-        return metadata
+        return metadata
+    
+    def is_suitable(self, url, info_extractor: InfoExtractor):
+        """
+        Used to override the InfoExtractor's 'is_suitable' method. Dropins should override this method to return True if the url is suitable for the extractor
+        (based on being able to parse other URLs)
+        """
+        return False