updated docs for 4.1 release

docs/_data/nav.yaml

@@ -45,3 +45,5 @@ items:
     children:
       - title: Migrating to v4.0.0
         url: /migration/4/
+      - title: Migrating to v4.1.0
+        url: /migration/4.1/

docs/_docs/06-01-migrating-4-1.md

@@ -0,0 +1,35 @@
+---
+title: Migrating to v4.1.0
+permalink: /migration/4.1/
+---
+
+## Database Migrations
+
+We have unified the database verifications that were introduced in 3.x.x into
+the migration system. This unification unfortunately required a database
+migration bump.
+
+### Source
+
+When running via source, you can run the following to start the migration
+process:
+
+```bash
+./bin/cli migration run
+```
+This will prompt you to perform a database backup before starting the migration
+process. Data loss is entirely possible otherwise.
+{: .code-aside}
+
+### Docker Compose
+
+If you are running Talk with docker-compose, you can use the following command
+to perform the migration:
+
+```bash
+docker-compose run --rm talk cli migration run
+```
+This will prompt you to perform a database backup before starting the migration
+process. Data loss is entirely possible otherwise.
+{: .code-aside}
+