Add the Open to Work developer template (developer-open-to-work) #62

Part of #5. A card developers can share when they are looking for work or freelance projects.

Idea
A status pill at the top left with a solid dot and the availability text (for example "Open to work"). Below it: a large name, the role, and up to 6 skill pills that wrap. The footer shows location and website. On the right is a large initials circle with an accent-colored ring, like a profile photo frame.

Template details

• File: src/templates/developer/open-to-work.ts, id developer-open-to-work
• Fields: name (text, required), role (text), availability (select: Open to work / Available for freelance / Open to collaborate), skills (text, comma-separated), location (text), website (text), commonFields.bgColor, { ...commonFields.accentColor, defaultValue: '#22C55E' }, commonFields.textColor

Where to look

• Closest reference: src/templates/developer/portfolio-card.ts (avatar area and skill pills with flexWrap)
• Select field example: src/templates/tutorial/difficulty-badge.ts

Acceptance criteria

• Skills are split on commas, trimmed, empty entries dropped, and capped at 6
• Re-exported in src/templates/developer/index.ts and registered in the Developer block of src/templates/registry.ts
• Meets the shared template checklist in Add new card-style OG image templates #5

One template per contributor at a time, so more people get a chance.

Want to work on this? Comment below and I'll assign it to you. Please take one issue at a time, branch off dev, and open your PR against dev with Closes #<this issue number>.