misc: add get method for scrobble endpoint in APIv3

because it doesn't require a body and I need it to be get for the vlc scrobbler.

Shoko.Server/API/v3/Controllers/FileController.cs

@@ -703,10 +703,10 @@ public async Task<ActionResult> SetWatchedStatusOnFile([FromRoute, Range(1, int.
     /// <param name="watched">True if file should be marked as watched, false if file should be unmarked, or null if it shall not be updated.</param>
     /// <param name="resumePosition">Number of ticks into the video to resume from, or null if it shall not be updated.</param>
     /// <returns></returns>
+    [HttpGet("{fileID}/Scrobble")]
     [HttpPatch("{fileID}/Scrobble")]
     public async Task<ActionResult> ScrobbleFileAndEpisode([FromRoute, Range(1, int.MaxValue)] int fileID, [FromQuery(Name = "event")] string eventName = null, [FromQuery] int? episodeID = null, [FromQuery] bool? watched = null, [FromQuery] long? resumePosition = null)
     {
-
         var file = RepoFactory.VideoLocal.GetByID(fileID);
         if (file == null)
             return NotFound(FileNotFoundWithFileID);