boardsource equals added

[daysgobye]

Description

Added a new keyboard to the boardsource folder.
it is called the equals 60 or equals 48 just a 5x12 with a snap off bottom row.

QMK Pull Request

qmk/qmk_firmware#21230

Checklist

• The VIA support for this keyboard is MERGED in QMK master already (MANDATORY)
• The VIA definition follows the guide here: https://caniusevia.com/docs/layouts
• I have a V3 JSON version for this keyboard definition.(MANDATORY)
• I have tested this keyboard definition using VIA's "Design" tab.
• I have tested this keyboard definition with firmware on a device.
• I have assigned alpha keys and modifier keys with the correct colors.
• The Vendor ID is not 0xFEED

[Xelus22]

Looks like i never got around to this. Should create one for the 48 and one for the 60?
(and you'd need to separate out the VID/PIDs)

[kdb424]

I'm working on getting PID/VID things situated and will open up a PR to replace this one.