feat: add woagpad

[Suya1671]

Resubmit of #540 since for some reason my submodule was erased from existence

Check off the following to let the reviewers know you've done everything:

• I HAVE RAN DRC ON MY DESIGN WITH ZERO ERRORS (Silkscreen errors are okay)
• I HAVE BRANDED ALL MY PARTS (PCB, CASE) WITH MY HACKPAD'S NAME
• I HAVE MADE SURE MY 3D PRINTED PARTS DO NOT REQUIRE SUPPORTS (Text branding overhang is okay)
• I HAVE MADE SURE TO INCLUDE TOLERANCES (0.25mm)
• MY HACKPAD'S PCB IS UNDER 100mm x 100mm, I DO NOT HAVE MORE THAN 16X SWITCHES, 2X ROTARY ENCODERS, 1X OLED, 16X LEDS.
• IN MY FOLDER, THERE IS A README.MD FILE THAT CONTAINS THE FOLLOWING INFORMATION:
  • Full render including all the parts
  • A few sentences about the inspiration and challenges
  • BOM
  • Photos of the Schematic, PCB, and case

[vercel]

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Name	Status	Preview	Comments	Updated (UTC)
hackpad	✅ Ready (Inspect)	Visit Preview	💬 Add feedback	Jun 28, 2025 11:43am

[philomusic1]

Love the USB design the most unique one I've seen,

I approve this submission, this is my PR github

[UnusualTitan711x]

This is absolutely AMAZING
It looks incredible. Just one small thing. Add an image containing each individual case part.
Otherwise, I absolutely approve. Here's my PR link: #405

[BOTwillplayz]

PERFECT 🤩! Love the design, it almost looks like a calculator with a small screen and extra steps 😆!

I approve this PR, my aproved PR number #482