Add NSDate to the metal example

PicoLeaf · silvanshade · commit 6c5e6d8bca43 · 2023-08-27T17:43:51.000-06:00
diff --git a/crates/icrate/Cargo.toml b/crates/icrate/Cargo.toml
@@ -178,6 +178,7 @@ unstable-example-metal = [
     "Foundation_NSError",
     "Foundation_NSNotification",
     "Foundation_NSString",
+    "Foundation_NSDate",
     "Metal",
     "Metal_MTLCompileOptions",
     "Metal_MTLRenderPassDescriptor",
