chore: add broken-links check

Author: tianzhou

mintlify/change-database/troubleshoot.mdx

@@ -6,7 +6,7 @@ title: Troubleshoot
 
 This happens if a migration version has already completed successfully and you are trying to apply the same version. Once the migration is successful, its version string is occupied and can't be reused. You can still retry the failed migration.
 
-This error is more common in GitOps flow when you try to modify an existing migration file. Refer to the [GitOps troubleshoot](/change-database/troubleshoot#duplicate-version)
+This error is more common in GitOps flow when you try to modify an existing migration file. Refer to the [GitOps troubleshoot](/change-database/troubleshoot1#duplicate-version)
 to learn the correct workflow.
 
 ## PostgreSQL

mintlify/snippets/install/install-upgrade.mdx

@@ -4,7 +4,7 @@ title: Install and Upgrade
 
 ## ⚙️ Install and Upgrade
 
-- Fresh install: [/get-started/self-host/deploy-with-docker](/get-started/self-host/deploy-with-docker)
+- Fresh install: [/get-started/self-host/deploy-with-docker](/get-started/self-2host/deploy-with-docker)
 
 - Upgrade: [/get-started/self-host/upgrade](/get-started/self-host/upgrade)