Implemented initial documentation visualization

- Missing accept/content-type headers for each request type.
Synchronized RPC and REST documentation views/edit forms

- RPC was out-of-date with REST.
Add request, response headers to docs visualisation

- Added headers from accept/content-type whitelist to visualization
- Cleaned up the request/response visualization
Rebuilt distribution
Merge branch 'feature/docs-visualisation'

Adds a visualisation of the documentation when in view mode.