Update to Rack v2

The following has been done to migrate from Rack v1 to Rack v2:

• Update plugin version from 1.4.0 to 2.0.0
• Add tooltip text to all inputs/outputs
• Change latch from param to switch on ARP
• Setup bypass on ARP
• Setup lights for Progress to shine in dimmed brightness

The latest version these changes have been tested on is Pro Beta.1 on Mac.