Bump to 0.3.0 for pub.dev — Android + Linux support

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>

CHANGELOG.md

@@ -1,3 +1,13 @@
+## 0.3.0
+
+- Add Android support (Dart FFI, arm64-v8a + x86_64)
+- Add Linux support (Dart FFI, amd64 via Docker cross-compilation)
+- Platform-aware Dart API: MethodChannel on iOS/macOS, FFI on Android/Linux
+- Android: RegisterInterfaceGetter to bypass netlink restrictions
+- Build script supports all platforms: `./build_go.sh [ios|macos|android|linux|apple|all]`
+- Full README with API reference, platform setup, and binary sizes
+- Note: Android Tailscale tunnel requires libtailscale integration (local gRPC works)
+
 ## 0.2.0
 
 - Add macOS support (arm64 + x86_64 universal binary)

pubspec.yaml

@@ -1,6 +1,6 @@
 name: tsnet_flutter
 description: Embed Tailscale's tsnet in Flutter apps. Provides a userspace WireGuard tunnel with a localhost TCP proxy — no VPN entitlement needed on iOS.
-version: 0.2.0
+version: 0.3.0
 homepage: https://github.com/svrnty/tsnet_flutter
 repository: https://github.com/svrnty/tsnet_flutter
 issue_tracker: https://github.com/svrnty/tsnet_flutter/issues