[Enhancement] Support specifying count of yt-dlp workers per-queue (#355)

* Updated certain Oban queues to have a configurable limit

* Updated README

.iex.exs

@@ -23,3 +23,11 @@ alias Pinchflat.Metadata.MetadataFileHelpers
 alias Pinchflat.SlowIndexing.FileFollowerServer
 
 Pinchflat.Release.check_file_permissions()
+
+defmodule IexHelpers do
+  def restart do
+    :init.restart()
+  end
+end
+
+import IexHelpers