Refactor InfoController to ensure logger initialization and update greeting message for consistency

Author: LiteObject

src/MyWebApi/MyWebApi/Controllers/WeatherForecastController.cs

@@ -10,16 +10,25 @@ public class InfoController : ControllerBase
 
         public InfoController(ILogger<InfoController> logger)
         {
-            _logger = logger;
+            _logger = logger ?? throw new ArgumentNullException(nameof(logger));
+            _logger.LogInformation("InfoController instantiated.");
         }
 
         [HttpGet(Name = "Get")]
         public IActionResult Get()
         {
-            var _helloworld = "Hello World... 12345";
+            var _helloworld = "Hello World from InfoController. This is a sample message.";
             var message = "Hello World from InfoController. This is a sample message.";
             _logger.LogInformation(message);
             return Ok(message);
         }
+
+        [HttpGet("hello")]
+        public IActionResult Hello()
+        {
+            var message = "Hello from InfoController!";
+            _logger.LogInformation(message);
+            return Ok(message);
+        }
     }
 }