chore(docs): Fix formatting on server-configuration.md (runatlantis#5059)

Signed-off-by: X-Guardian <[email protected]>
Signed-off-by: kvanzuijlen <[email protected]>

Author: X-Guardian

runatlantis.io/docs/server-configuration.md

@@ -1275,6 +1275,7 @@ This is useful when you have many projects and want to keep the pull request cle
   Namespace for emitting stats/metrics. See [stats](stats.md) section.
 
 ### `--tf-distribution`
+
   ```bash
   atlantis server --tf-distribution="terraform"
   # or