add default-members (and exclude metal). fixes #217

Cargo.toml

@@ -31,3 +31,32 @@ members = [
     "utils/svg-to-skia",
     "utils/convert",
 ]
+
+default-members = [
+    "c",
+    "canvas",
+    "content",
+    "demo/common",
+    "demo/native",
+    "examples/canvas_glutin_minimal",
+    "examples/canvas_minimal",
+    "examples/canvas_moire",
+    "examples/canvas_text",
+    "examples/lottie_basic",
+    "examples/swf_basic",
+    "geometry",
+    "gl",
+    "gpu",
+    "lottie",
+    "export",
+    "renderer",
+    "simd",
+    "svg",
+    "swf",
+    "text",
+    "ui",
+    "utils/area-lut",
+    "utils/gamma-lut",
+    "utils/svg-to-skia",
+    "utils/convert",
+]