docs: add bounty workflow file

[subhajitlucky]

Summary

• Add the missing BOUNTY.md file referenced by issue 💰 BOUNTY: Fix typo in BOUNTY.md (€2.00) #1
• Keep the content limited to the active typo-fix bounty and payment methods

Verification

• git diff --check

Closes #1

[Copilot]

Pull request overview

Adds the missing BOUNTY.md file so the repository has a canonical place to describe the currently active bounty referenced by Issue #1.

Changes:

• Introduces a new BOUNTY.md with an “Active Bounties” section.
• Documents the current typo-fix bounty (issue reference, payout, and payment methods at a high level).

Comments suppressed due to low confidence (2)

BOUNTY.md:10

• Issue #1 states the payout as “€2.00”, but BOUNTY.md lists “EUR 2.00”. Please align the payout text with the issue (or update the issue/BOUNTY.md consistently) so contributors don’t get conflicting information.

- Payout: EUR 2.00

BOUNTY.md:13

• Issue #1 includes explicit “How to Claim” steps (fork, fix, PR, comment on issue), but BOUNTY.md currently doesn’t document the claiming process beyond “Fix only…”. Consider adding the claim steps here so the workflow is self-contained in the file that the issue references.

- Payment methods: Ko-fi or Liberapay

Fix only spelling, whitespace, or formatting issues requested by the bounty.

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[dimscm]

PR submitted: #9

Implements issue #7 by adding a docs workflow file.