I need help to make a documentation that i’m as the consultant and giving my cli

I need help to make a documentation that i’m as the consultant and giving my client (Aneka Buah PTE LTD) document about project : Helping clients to apply Document Management Software. It provides a platform for organizing, securing, sharing and retaining client valuable data
the document should containing topics :
1 Consultation & Discovery Phase
1,1 Gathering Information
2 Execution & Implementation Phase
2,1 Identify Requirements
2,2 Plan & Design
2,3 Build / Code
2,4 Test / Debug
2,5 Deploy