refactor(database): rename migrations to make them more clear

alembic.ini

@@ -11,7 +11,7 @@ script_location = %(here)s/migrations
 # Uncomment the line below if you want the files to be prepended with date and time
 # see https://alembic.sqlalchemy.org/en/latest/tutorial.html#editing-the-ini-file
 # for all available tokens
-# file_template = %%(year)d_%%(month).2d_%%(day).2d_%%(hour).2d%%(minute).2d-%%(rev)s_%%(slug)s
+file_template = %%(year)d-%%(month).2d-%%(day).2d_%%(rev)s_%%(slug)s
 
 # sys.path path, will be prepended to sys.path if present.
 # defaults to the current working directory.  for multiple paths, the path separator