Merge branch 'descriptions-changes' into 'develop'

Adding streamer group & Oban crontab child to descriptions.exs

Closes #1592

See merge request pleroma/pleroma!2258

config/description.exs

@@ -1903,6 +1903,18 @@ config :pleroma, :config_description, [
             suggestions: [50]
           }
         ]
+      },
+      %{
+        key: :crontab,
+        type: {:list, :tuple},
+        description: "Settings for cron background jobs",
+        suggestions: [
+          {"0 0 * * *", Pleroma.Workers.Cron.ClearOauthTokenWorker},
+          {"0 * * * *", Pleroma.Workers.Cron.StatsWorker},
+          {"* * * * *", Pleroma.Workers.Cron.PurgeExpiredActivitiesWorker},
+          {"0 0 * * 0", Pleroma.Workers.Cron.DigestEmailsWorker},
+          {"0 0 * * *", Pleroma.Workers.Cron.NewUsersDigestWorker}
+        ]
       }
     ]
   },
@@ -2928,5 +2940,25 @@ config :pleroma, :config_description, [
         description: "A path to custom Elixir modules (such as MRF policies)."
       }
     ]
+  },
+  %{
+    group: :pleroma,
+    key: :streamer,
+    type: :group,
+    description: "Settings for notifications streamer",
+    children: [
+      %{
+        key: :workers,
+        type: :integer,
+        description: "Number of workers to send notifications.",
+        suggestions: [3]
+      },
+      %{
+        key: :overflow_workers,
+        type: :integer,
+        description: "Maximum number of workers created if pool is empty.",
+        suggestions: [2]
+      }
+    ]
   }
 ]