Add check for title in citation

This checks if the item title exists in the citation. If it is not
present it could just be missing, or could have minor differences
in the whitespace, accents, etc.

csv_metadata_quality/app.py

@@ -194,6 +194,9 @@ def run(argv):
         # Check: citation DOI
         check.citation_doi(df_transposed[column])
 
+        # Check: title in citation
+        check.title_in_citation(df_transposed[column])
+
         if args.experimental_checks:
             experimental.correct_language(df_transposed[column])