Merge pull request 0xPolygon#283 from 0xPolygon/km/remove-word-cdk

CDK: small language adjustment

Author: kmurphypolygon

…/cdk/architecture/cdk-validium-option.md docs/cdk/architecture/cdk-validium.mddocs/cdk/architecture/cdk-validium-option.md renamed to docs/cdk/architecture/cdk-validium.md docs/cdk/architecture/cdk-validium-option.md renamed to docs/cdk/architecture/cdk-validium.md

@@ -83,6 +83,7 @@ nav:
               - Start services: cdk/get-started/deploy-rollup/start-services.md
         - Connect to CDK testnet: cdk/get-started/connect-testnet.md
       - How to:
+        - Integrate the AggLayer: cdk/how-to/integrate-agglayer.md
         - Quickly test a running stack: cdk/how-to/quick-test-stack.md
         - Manage allowlists with policies: cdk/how-to/manage-policies.md
       - Architecture: