Separate and add @Description with @Summary params

@Description -> is "descriptions" in swagger
@Summary -> is "summary" in swagger

this different options.

g_docs.go

@@ -354,7 +354,9 @@ func parserComments(comments *ast.CommentGroup, funcName, controllerName, pkgpat
 			} else if strings.HasPrefix(t, "@Title") {
 				opts.OperationID = controllerName + "." + strings.TrimSpace(t[len("@Title"):])
 			} else if strings.HasPrefix(t, "@Description") {
-				opts.Summary = strings.TrimSpace(t[len("@Description"):])
+				opts.Description = strings.TrimSpace(t[len("@Description"):])
+			} else if strings.HasPrefix(t, "@Summary") {
+				opts.Summary = strings.TrimSpace(t[len("@Summary"):])
 			} else if strings.HasPrefix(t, "@Success") {
 				ss := strings.TrimSpace(t[len("@Success"):])
 				rs := swagger.Response{}