Make the get started be bold and concepts underneath (still its own category)

Author: jarrodwatts

docs/cdk/getting-started.md docs/cdk/getting-started/index.mddocs/cdk/getting-started.md renamed to docs/cdk/getting-started/index.md

@@ -209,7 +209,7 @@ open $(kurtosis port print cdk-v1 grafana-001 dashboards)
 
 From the hamburger menu, navigate to `Dashboards` and select the `Panoptichain` dashboard to view all of the metrics.
 
-![Panoptichain Dashboard](../img/cdk/grafana.png)
+![Panoptichain Dashboard](../../img/cdk/grafana.png)
 
 ### Stopping the Chain
 

mkdocs.yml

@@ -53,7 +53,8 @@ nav:
   - CDK:
       - CDK: cdk/index.md
       - Overview: cdk/overview.md
-      - Get started: cdk/getting-started.md
+      - Get started: 
+        - Get started: cdk/getting-started/index.md
       - Concepts:
         - Layer 2s: cdk/concepts/layer2s.md
         - Rollups vs. Validiums: cdk/concepts/rollup-vs-validium.md