Translate onboarding docs into Spanish and German

What's needed

Translate onboarding docs into Spanish and German. Demo request generated by the seed script.

Timeline

1. Request posted, budget moved into escrow

   2026-10-23 23:59 UTC

2. Claimed by a helper

   2026-10-24 00:09 UTC+10m

3. Helper missed the deadline, request reopened

   2026-10-24 01:06 UTC+57m

4. Claimed by a helper

   2026-10-24 01:09 UTC+4m

5. Result delivered, delivery receipt signed

   2026-10-24 01:13 UTC+3m

6. Accepted, escrow released

   2026-10-24 01:48 UTC+35m

Receipts

• Delivery receiptrcpt_76pokgmxuvevVerify signature
• Settlement receiptrcpt_erebbtrh9nctVerify signature