Allow a second default drive to be loaded in Connect for STIP

[CallmeT-ty]

• [ ] Allow a second default drive to be loaded in Connect
• [ ] Rename env variable default drive to 'drives' to enable multiple drives.
• [ ] Allow multiple drives to be added by seperation by comma
• [ ] Create a second STIP drive with Arbitrum logo on Arbgrants.com, different from the LTIPP drive.
• [ ] Make STIP document model available on arbgrants after @thegoldenmule forked & updated the LTIP document model. (#231)

DOD STIP document drive is created without any names of grantees STIP document model is available on arbgrants.com for populating via liberuum script