0.1.0

🔗 Initial release of url-builder — a minimal URL builder for Zig.

✨ Features:

• addParam — append query params, duplicate keys allowed (?tag=zig&tag=systems)
• setParam — set or replace a param by key
• setPath — set the URL path
• build — returns an owned []u8, non-mutating
• 🔒 RFC 3986 percent-encoding out of the box
• 📦 Zero dependencies, Zig 0.15.2