feat: use multi roles login (#60)

* feat: use multi roles login

- add support for protected roles
- refactor oauth code

* fix: adminUpdate role validation

* fix: update app

server/utils/common.go

@@ -18,3 +18,12 @@ func WriteToFile(filename string, data string) error {
 	}
 	return file.Sync()
 }
+
+func StringContains(s []string, e string) bool {
+	for _, a := range s {
+		if a == e {
+			return true
+		}
+	}
+	return false
+}