Add ability to add manually choose who can submit chapters

src/utils/permissions.ts

@@ -0,0 +1,11 @@
+import { config } from "../config";
+import { Feature, HashedUserID } from "../types/user.model";
+import { hasFeature } from "./features";
+import { isUserVIP } from "./isUserVIP";
+import { getReputation } from "./reputation";
+
+export async function canSubmitChapter(userID: HashedUserID): Promise<boolean> {
+    return (await isUserVIP(userID))
+        || (await getReputation(userID)) > config.minReputationToSubmitChapter
+        || (await hasFeature(userID, Feature.ChapterSubmitter));
+}