Code size report:

   bare-arm:    +0 +0.000% 
minimal x86:    +0 +0.000% 
   unix x64:    +0 +0.000% standard
      stm32:    +0 +0.000% PYBV10
     mimxrt:    +0 +0.000% TEENSY40
        rp2:    +0 +0.000% RPI_PICO_W
       samd:    +0 +0.000% ADAFRUIT_ITSYBITSY_M4_EXPRESS
  qemu rv32:    +0 +0.000% VIRT_RV32

perhaps a quick search would have helped; there are already multiple PRs open vof the same board.
So apparently there is interest - but better to have one good PR for the board , than 4 competing

• 9085 : Add some definition files for waveshare board. #9085
• 13313 : Add board definition for Waveshare RP2040-Zero. #13313
• 16106 : ports/rp2/boards: Add Waveshare RP2040-Zero #16106
• 16867 : this PR

Then I'll close mine. I wonder why none of the other ones is merged yet, though

Perhaps because each of them had small problem on CI or missing media.

I would suggest to start a discussion, and @ mention the people involved in the other PRs to discuss.

I for one have used multiple of these little guys in small projects