Postgresql full-text-search on heroku

Question

Hello I want to use full-text search using postrgresql but the problem on heroku, i can not think of a way to have custom dictionary using my language (Greek).

on my pc I did

CREATE TEXT SEARCH DICTIONARY greek_ispell (
TEMPLATE = ispell,
DictFile = greek,
AffFile = greek,
StopWords = greek
);

and setup the sharedir using the custom dictionaries. Is there a way to do this on heroku?