feat: add project owner info on project settings page

frontend/types/settings.ts

@@ -2,6 +2,7 @@ export type SettingsMessages = {
   projectManagement: string;
   projectName: string;
   projectDetail: string;
+  projectOwner: string;
   editProject: string;
   project: string;
   publicity: string;

frontend/types/user.ts

@@ -7,7 +7,7 @@ export type UserType = {
   username: string;
   role: number;
   avatarPath: string | null;
-} | null;
+};
 
 export type TokenProps = {
   toastMessages: ToastMessages;