Update Guidebook

Do a general pass through the whole guidebook and make sure it is up to date, some info from services is missing and new services may be missing as well. Data about our best practices and how we work may be out of date. Also useful to start including some structure on how we deploy services.

Checklist based on restructure !50 (merged) :

• Education
  • Digital Admissions
    • Undergraduate Admissions Portal
    • Admissions Portal
  • Education Space Scheduling and Modelling Sync
  • Lecture Capture
    • Panopto Deployment
    • Preferences App
  • Software Sales
  • Streaming Media Service
  • Training Booking System
• Infrastructure and Generic Services
  • API Gateway
  • Covid-19 Testing Pools Management
  • GitLab service for the Developers' Hub
  • Identity and Access Management
    • Eduroam Tokens
    • Card Management
      • Legacy Card Database
      • Card API
    • GSuite@Cambridge
    • Jackdaw
    • Lookup
    • Passwords
    • Photo API
    • Raven
      • Metadata
      • OAuth2
      • SAML2
      • UCamWebAuth
  • Information Asset Register
  • Managed Web Service - v3
  • Self Service Gateway (remove Dropbox reference)
  • TLS Certificates
  • University Search Frontend
• Research
  • Research Dashboard
  • Human Tissue Tracker