Write Complete Documentation for Protocol v1.0

[waltster]

Write the documentation for Plexian Distribution Protocol v1.0. Should include:

• [ ] Connect to API and establish connection
• [ ] Manage product keys
  • [ ] Add product key
  • [ ] Validate product key
  • [ ] Remove product key
  • [ ] Generate new key (UUID format)
• [ ] Manage application
  • [ ] Disable application
• [ ] Authentication support
  • [ ] Authenticate using application ID and private token