optimize skipSegments, add eTag

- moved skipSegments parameter parsing to new file
- added oldGetVideoSponsorTimes to getSkipSegments.ts

src/app.ts

@@ -1,7 +1,6 @@
 import express, { Request, RequestHandler, Response, Router } from "express";
 import { config } from "./config";
 import { oldSubmitSponsorTimes } from "./routes/oldSubmitSponsorTimes";
-import { oldGetVideoSponsorTimes } from "./routes/oldGetVideoSponsorTimes";
 import { postSegmentShift } from "./routes/postSegmentShift";
 import { postWarning } from "./routes/postWarning";
 import { getIsUserVIP } from "./routes/getIsUserVIP";
@@ -21,13 +20,13 @@ import { viewedVideoSponsorTime } from "./routes/viewedVideoSponsorTime";
 import { voteOnSponsorTime, getUserID as voteGetUserID } from "./routes/voteOnSponsorTime";
 import { getSkipSegmentsByHash } from "./routes/getSkipSegmentsByHash";
 import { postSkipSegments } from "./routes/postSkipSegments";
-import { endpoint as getSkipSegments } from "./routes/getSkipSegments";
+import { getSkipSegments, oldGetVideoSponsorTimes } from "./routes/getSkipSegments";
 import { userCounter } from "./middleware/userCounter";
 import { loggerMiddleware } from "./middleware/logger";
 import { corsMiddleware } from "./middleware/cors";
 import { apiCspMiddleware } from "./middleware/apiCsp";
 import { rateLimitMiddleware } from "./middleware/requestRateLimit";
-import dumpDatabase, { appExportPath, downloadFile } from "./routes/dumpDatabase";
+import dumpDatabase from "./routes/dumpDatabase";
 import { endpoint as getSegmentInfo } from "./routes/getSegmentInfo";
 import { postClearCache } from "./routes/postClearCache";
 import { addUnlistedVideo } from "./routes/addUnlistedVideo";