prototyping a new tab (Decoders) for managing associating Avro Schemas to topics
refining the user interface for Decoders
moved web configuration extensions into its own object
support for multiple decoders per topic
major updates, including:
1. Converted all form-url-encoded requests to JSON.
2. Simplified the code for processing incoming/outgoing JSON requests/responses
3. Clean-up
Merge branch 'feature/maintenance' into feature/webui_decoders

* feature/maintenance:
  fixed typo
  updated the Trifecta CLI section
Merge branch 'feature/webui_decoders' into feature/web_ui

* feature/webui_decoders:
  major updates, including: 1. Converted all form-url-encoded requests to JSON. 2. Simplified the code for processing incoming/outgoing JSON requests/responses 3. Clean-up
  support for multiple decoders per topic
  moved web configuration extensions into its own object
  refining the user interface for Decoders
  prototyping a new tab (Decoders) for managing associating Avro Schemas to topics