Refactor project migration documentation

docs/Migrate-to-ADP/migrate-a-delivery-project.md

@@ -6,19 +6,46 @@ authors:
 date: 2024-01-22
 weight: -11
 ---
-# Migrate your project to ADP
+# Project Migration Process
 
 Details on migrating your existing project and its services to ADP.
 
-## Whos is this for:
+## Project Migration Stages
 
-- Project Managers of existing Defra projects.
-- Techical Leads of existing Defra projects.
-- Developers of existing Defra projects.
-
-# Project Migration Stages
 ![Project Migration Stages](../images/project-migration-stages.PNG)
 
+## Project Migration Timeline
+
+![Project Migration Timeline](../images/project-migration-timeline.PNG)
+
+# Pre-migration
+
+* Please fill in the migration questionnaire. Template is in the internal ADP documentation GitHub repository [Link].
+
+* Once complete you will agree with the ADP Platform Team & CCoE when to be migrated and onboarded on to ADP.
+
+# Infrastructure
+
+ADP Portal Setup:
+
+1. [Onboarding of delivery programme](../Getting-Started/onboarding-a-delivery-programme.md) if not present already.
+2. [Onboarding of delivery project](../Getting-Started/onboarding-a-delivery-project.md)
+3. [Onboarding of your team members](../Getting-Started/onboarding-a-user.md)
+
+For each of your platform services you now need to migrate them over to ADP and create the needed infrastructure to support them. [Link to guide](migrate-a-platform-service.md).
+
+# Developer Migration
+
+...
+
+# Data Migration
+
+...
+
+# Switch Over
+
+...
+
+# Business As Usual (BAU)
 
-# Project Migration Timeline
-![Project Migration Timeline](../images/project-migration-timeline.PNG)
+Migration complete continue to