feat: Implement mobile application and lead processing utilities.

scripts/find_emails_in_dump.py

@@ -0,0 +1,20 @@
+import re
+
+file_path = 'cologne_duesseldorf_data/duesseldorf_raw.txt'
+
+try:
+    with open(file_path, 'r', encoding='utf-8') as f:
+        lines = f.readlines()
+        
+    print(f"Total lines: {len(lines)}")
+    
+    found_emails = 0
+    for i, line in enumerate(lines):
+        if "@" in line:
+            print(f"Line {i+1}: {line.strip()}")
+            found_emails += 1
+            
+    print(f"Found {found_emails} lines with '@'")
+
+except Exception as e:
+    print(f"Error: {e}")