fix: check number of wiki backup files on dropbox (#143)

Signed-off-by: Shikhar <shikharish05@gmail.com>

jobs/backup/rotate_backups.py

@@ -33,11 +33,15 @@
     has_more_files = result.has_more
     files.extend(result.entries)
 
-print("Starting rotation")
-number_of_files = len(files)
 for file in files:
     if file.name.find("metakgp_wiki") == -1:
-        continue
+        files.remove(file)
+
+number_of_files = len(files)
+print(f"{number_of_files} backup files found.")
+
+print("Starting rotation")
+for file in files:
     file_timestamp = file.client_modified
     days_old = (now - file_timestamp).days
     if days_old > 30 and (number_of_files - counter) > 30: