Update minimal mode for new Google formatting (#637)

Google's latest formatting changes broke the modifications made when enabling
`WHOOGLE_MINIMAL`. This updates the result filtering to work with the new
changes.

Fixes #634

app/filter.py

@@ -12,6 +12,8 @@
 from urllib.parse import parse_qs
 import os
 
+minimal_mode_sections = ['Top stories', 'Images', 'People also ask']
+
 
 def extract_q(q_str: str, href: str) -> str:
     """Extracts the 'q' element from a result link. This is typically
@@ -169,7 +171,11 @@ def pull_child_divs(result_div: BeautifulSoup):
         for result in self.main_divs:
             result_children = pull_child_divs(result)
             if minimal_mode:
-                if len(result_children) in (1, 3):
+                if any(f">{x}</span" in str(s) for s in result_children
+                   for x in minimal_mode_sections):
+                    result.decompose()
+                    continue
+                if len(result_children) < self.RESULT_CHILD_LIMIT:
                     continue
             else:
                 if len(result_children) < self.RESULT_CHILD_LIMIT: