fix missing da file

Author: kmurphypolygon

docs/cdk/how-to/integrate-da.md

@@ -4,6 +4,10 @@ comments: true
 ---
 -->
 
+---
+comments: true
+---
+
 This document shows you how to integrate a third-party data availability (DA) solution into your CDK stack.
 
 ## Prerequisites
@@ -198,4 +202,3 @@ To test your DAC integration, follow the steps below.
 4. Update the contracts Docker image tag with the custom tag you created at the [deploy Docker image](#deploy-docker-image) section, step 7, by amending the node's [Docker compose file](https://github.com/0xPolygon/cdk-validium-node/blob/develop/test/docker-compose.yml).
 
 5. Modify the Makefile so it can run your test. Use the [Polygon DAC Makefile](https://github.com/0xPolygon/cdk-validium-node/blob/develop/test/Makefile) as an example.
-

mkdocs.yml

@@ -75,7 +75,7 @@ nav:
           - Fork id 7 to 9: cdk/how-to/migrate/forkid-7-to-9.md
           - General guide for partners: cdk/how-to/migrate/fork.md
         - Create custom native token: cdk/how-to/use-native-token.md
-        - Integrate DA Layer: cdk/how-to/integrate-da.md
+        - Integrate DA layer: cdk/how-to/integrate-da.md
         - Manage allowlists with policies: cdk/how-to/manage-policies.md
         - Quickly test a running stack: cdk/how-to/quick-test-stack.md
         - Connect to CDK testnets: cdk/how-to/connect-testnet.md