updated repo structure

Author: hitesh-bhatnagar

examples/error_handling.rs

@@ -1 +1,3 @@
-fn main() {}
+fn main() {
+    println!("Code here");
+}

examples/struct_enums.rs

@@ -1 +1,3 @@
-fn main() {}
+fn main() {
+    println!("Code here");
+}