Add multilingual language and systems learning tracks

en/objectivec-foundations-20261101/lesson-1/main.m

@@ -0,0 +1,11 @@
+#import <Foundation/Foundation.h>
+#include <stdio.h>
+#include <assert.h>
+
+int main(void) {
+    NSAutoreleasePool *pool = [[NSAutoreleasePool alloc] init];
+    NSString *message = @"Ready";
+    puts([message UTF8String]);
+    [pool drain];
+    return 0;
+}