Add to documentation

CHANGELOG.md

@@ -4,6 +4,9 @@
 * the positional argument `GIT_COMMIT_ID` becomes an optional argument with the named parameter ` --git-commit-id [GIT_COMMIT_ID]`
 * the `lintmigrations` command takes now two positional arguments: `lintmigrations [app_label] [migration_name]`
 
+New features:
+* raise warning when create or dropping an index in a non-concurrent manner using postgresql
+
 Miscellaneous:
 * Add complete and working support for `toml` configuration files
 * Add code coverage to the linter