docs: Fix migration part (fixes Remove unreleased section in migrations doc

Fixes #444)

Author: linkdotnet

MIGRATION.md

@@ -1,6 +1,10 @@
 # Migration Guide
 This document describes the changes that need to be made to migrate from one version of the blog to another.
 
+## 9.0 to 11.0
+
+A new config has been added `UseMultiAuthorMode` in `appsettings.json`. The default value of this config is `false`. If set to `true` then author name will be associated with blog posts at the time of creation.
+
 ## 8.0 to 9.0
 
 ### SQL - Entity Framework Migrations

docs/Migrations/Readme.md

@@ -6,8 +6,4 @@ This is contrasted by Minor changes. These are things where the user does not ne
 
 Breaking changes are recorded in the [MIGRATION.md](../../MIGRATION.md). Since version 9 of the blog, “Entity Framework Migrations” has been introduced for all SQL providers. You can read more in the [documentation](../Storage/Readme.md). In a nutshell, this means that database migration can be carried out easily via the “ef migration” CLI tool. More on this in the documentation linked above.
 
-Changes for the appsettings.json must currently still be made manually. The exact changes that need to be made here can be found in MIGRATION.md.
-
-## UNRELEASED
-
-A new config has been added `UseMultiAuthorMode` in `appsettings.json`. The default value of this config is `false`. If set to `true` then author name will be associated with blog posts at the time of creation.
+Changes for the appsettings.json must currently still be made manually. The exact changes that need to be made here can be found in MIGRATION.md.