Begin work on core:sys/darwin/Foundation

core/sys/darwin/Foundation/NSNotification.odin

@@ -0,0 +1,16 @@
+package objc_Foundation
+
+@(objc_class="NSNotification")
+Notification :: struct{using _: Object}
+
+Notification_name :: proc(self: ^Notification) -> ^String {
+	return msgSend(^String, self, "name")
+}
+
+Notification_object :: proc(self: ^Notification) -> ^Object {
+	return msgSend(^Object, self, "object")
+}
+
+Notification_userInfo :: proc(self: ^Notification) -> ^Dictionary {
+	return msgSend(^Dictionary, self, "userInfo")
+}