v.1.4.1: Support firmware variants

32-specify-littlefs-disk-version

Why:

• Allow LittleFS Python package to be updated

This change addresses the need by:

• Setting the LFS disk version to 2.0 (instead of default 2.1)
• The Controller FW only supports =2.0 at the moment

30-support-firmware-variants

Why:

• Allow filtering by firmware variants
• Filter firmware variant by controller type

This change addresses the need by:

• Get firmware variants from the server
• Update add and replace controller pages
  • Add firmware variant dropdown
  • Add firmware version dropdown
  • Add controller type dropdown