Add log API

__tests__/main.test.ts

@@ -15,10 +15,8 @@ describe('greeter function', () => {
   });
 
   // Assert if setTimeout was called properly
-  it('delays the greeting by 2 seconds', () => {
-  });
+  it('delays the greeting by 2 seconds', () => {});
 
   // Assert greeter result
-  it('greets a user with `Hello, {name}` message', () => {
-  });
+  it('greets a user with `Hello, {name}` message', () => {});
 });