feat: add Person search endpoint with SearchPersons method

Complex.EndPoint/Controllers/PersonController.cs

@@ -37,5 +37,14 @@ namespace Complex.EndPoint.Controllers
             var persons = _personService.GetAllPersons(personSearchObj);
             return persons;
         }
+        [HttpPost]
+        public ResultDto<List<PersonDto>> SearchPersons([FromBody] PersonSearchRequest request)
+        {
+            return _personService.SearchPersons(request.SearchTerm);
+        }
+    }
+    public class PersonSearchRequest
+    {
+        public string? SearchTerm { get; set; }
     }
 }