docs: pretty README.md

Author: jippi

README.md

@@ -6,3 +6,21 @@
 > and pretty much anything else you could want, thanks to the usage of [expr-lang](https://expr-lang.org/).
 >
 > SCM engine can be run either as a regular CI job in your pipeline, or be triggered through the Webhook system, allowing for versatile and flexible deployments.
+
+> [!TIP]
+> Please see [the documentation site](https://jippi.github.io/scm-engine/) for in-depth information
+>
+> * [Installation](https://jippi.github.io/scm-engine/install/)
+> * [Configuration](https://jippi.github.io/scm-engine/configuration/)
+> * [Examples](https://jippi.github.io/scm-engine/configuration/examples/)
+>
+> Commands:
+>
+> * [evaluate](https://jippi.github.io/scm-engine/commands/evaluate/)
+> * [server](https://jippi.github.io/scm-engine/commands/server/)
+>
+> GitLab:
+>
+> * [Getting started](https://jippi.github.io/scm-engine/gitlab/setup/)
+> * [Script attributes](https://jippi.github.io/scm-engine/gitlab/script-attributes/)
+> * [Script functions](https://jippi.github.io/scm-engine/gitlab/script-functions/)