[#1149] Introduced quantum job scheduler. Documentation & config changes.

mix.exs

@@ -102,6 +102,7 @@ defmodule Pleroma.Mixfile do
       {:ecto_sql, "~> 3.1"},
       {:postgrex, ">= 0.13.5"},
       {:oban, "~> 0.7"},
+      {:quantum, "~> 2.3"},
       {:gettext, "~> 0.15"},
       {:comeonin, "~> 4.1.1"},
       {:pbkdf2_elixir, "~> 0.12.3"},
@@ -142,7 +143,6 @@ defmodule Pleroma.Mixfile do
       {:http_signatures,
        git: "https://git.pleroma.social/pleroma/http_signatures.git",
        ref: "293d77bb6f4a67ac8bde1428735c3b42f22cbb30"},
-      {:pleroma_job_queue, "~> 0.3"},
       {:telemetry, "~> 0.3"},
       {:prometheus_ex, "~> 3.0"},
       {:prometheus_plugs, "~> 1.1"},