docs(getting-started): fix rendering through gitbook

Author: travi

SUMMARY.md

@@ -2,7 +2,7 @@
 
 ## Usage
 
-- [Getting started](docs/usage/getting-started.md#getting-started)
+- [Getting started](docs/usage/getting-started.md)
 - [Installation](docs/usage/installation.md)
 - [CI Configuration](docs/usage/ci-configuration.md)
 - [Configuration](docs/usage/configuration.md)