Fix swagger example

Author: AchoArnold

api/pkg/responses/response.go

@@ -2,7 +2,7 @@ package responses
 
 type response struct {
 	Status  string `json:"status" example:"success"`
-	Message string `json:"message" example:"item created successfully"`
+	Message string `json:"message" example:"Request handled successfully"`
 }
 
 // InternalServerError is the response with status code is 500
@@ -27,7 +27,7 @@ type BadRequest struct {
 // UnprocessableEntity is the response with status code is 422
 type UnprocessableEntity struct {
 	Status  string              `json:"status" example:"error"`
-	Message string              `json:"message" example:"validation errors while sending message"`
+	Message string              `json:"message" example:"validation errors while handling request"`
 	Data    map[string][]string `json:"data"`
 }