Add OPML module to frameworks imports

Author: jorgectf

python/ql/lib/semmle/python/Frameworks.qll

@@ -44,6 +44,7 @@ private import semmle.python.frameworks.Multidict
 private import semmle.python.frameworks.Mysql
 private import semmle.python.frameworks.MySQLdb
 private import semmle.python.frameworks.Numpy
+private import semmle.python.frameworks.Opml
 private import semmle.python.frameworks.Oracledb
 private import semmle.python.frameworks.Pandas
 private import semmle.python.frameworks.Peewee