chore: add committed migration

migrations/committed/000002.sql

@@ -0,0 +1,10 @@
+--! Previous: sha1:5ad90bce5c5fb68d0a8f886b6c07fb280ccd2c42
+--! Hash: sha1:80425329666e5d20b5fbb7b6179f3d19acceeb76
+
+-- support for similarity of text using trigram matching
+CREATE extension IF NOT EXISTS pg_trgm;
+
+-- drop the previous index that wasn't being useful for LIKE operations
+-- and add a new index using gin_trgm_ops operator class from pg_trgm extension.
+DROP INDEX IF EXISTS msg_data_type_idx;
+CREATE INDEX IF NOT EXISTS msg_data_type_gin_idx ON msg USING gin  ((data->>'@type') gin_trgm_ops);