Add content templates
Add supporting change guidance
Add architecture guidance
As government as a platform guidance
Add security as enabler guidance
Move spending controls guidance
Add service integration guidance
Add service integration guidance
Some text tightening on cultural blockers
Minor text and typo edits to GaaP
Add new guide templates
Update table
Draft end user devices content
Draft technology code of practice
Update code guidance
Update code language
Remove absent links
Add links to security guidance
Update guide types
Add index draft