adds rarbg dump scraper based on scraped imdb ids

README.md

@@ -12,4 +12,12 @@ https://thepiratebay.org/static/dump/csv/
 
 https://mega.nz/#F!tktzySBS!ndSEaK3Z-Uc3zvycQYxhJA
 
-https://web.archive.org/web/20150416071329/http://kickass.to/api
+https://web.archive.org/web/20150416071329/http://kickass.to/api
+
+### Migrating Database
+
+When migrating database to a new one it is important to alter the `files_id_seq` sequence to the maximum file id value plus 1.
+
+```sql
+ALTER SEQUENCE files_id_seq RESTART WITH <last_file_id + 1>;
+```