55 agent management modal

[njbrunner]

Changes:

• Implemented agent management modal
• Redesigned all parameter type components
• Improved user workflow for submitting commands to agent
• Updated build page to utilize newly designed parameter components
• Added API endpoint to retrieve transcoder log record by id

Testing Suggestions:

• Thoroughly test the agent management modal
• Thoroughly test the build page
• Confirm backend receives the correct commands

Closes #55

[BrianSipos]

Structure and behavior seem good, just one minor comment on terminology used in a few places to align on using the term "text" to distinguish the text form of ARI from the binary (CBOR) form of ARI.

updated by later commits