release: 0.0.2

adds:
- handle resolution via HTTP well-known
- fixes memory leak in DID resolver test

🤖 Generated with [Claude Code](https://claude.com/claude-code)

Co-Authored-By: Claude Opus 4.5 <[e-mail]>

build.zig.zon

···
 .{
     .name = .zat,
-    .version = "0.0.1-alpha",
+    .version = "0.0.2",
     .fingerprint = 0x8da9db57ee82fbe4,
     .minimum_zig_version = "0.15.0",
     .paths = .{