IO-1898 Add vehicle notes.

hasura/migrations/1652743525497_alter_table_public_vehicles_add_column_notes/down.sql

@@ -0,0 +1,4 @@
+-- Could not auto-generate a down migration.
+-- Please write an appropriate down migration for the SQL below:
+-- alter table "public"."vehicles" add column "notes" text
+--  null;

hasura/migrations/1652743525497_alter_table_public_vehicles_add_column_notes/up.sql

@@ -0,0 +1,2 @@
+alter table "public"."vehicles" add column "notes" text
+ null;