Added script to download from imdb

dl_imdb.sh

@@ -0,0 +1,3 @@
+curl https://datasets.imdbws.com/title.basics.tsv.gz | gzip -d | cut -f 1-3 > basics.tsv
+curl https://datasets.imdbws.com/title.ratings.tsv.gz | gzip -d > ratings.tsv
+curl https://datasets.imdbws.com/title.episode.tsv.gz | gzip -d > episodes.tsv