Has this feature been discussed and generally agreed?
Feauture explains itself. Was suggested to perform in #1658.

Describe the solution you'd like
Improve the left side layout:

• "glue" the Jamulus "cloud" icon to the top of the left-most panel
• place the Delay/Buffer indicators to the bottom
• make the Reverb slider expand to a max height
• enhance the Delay/Buffer indicators in Fancy Skin to include accessibility signs (similar to how this is used in Normal/Compact Skin)

New Layout with Reverb at max. height: