Merge branch 'release-docs' into 'develop'

Docs on OTP releases

See merge request pleroma/pleroma!1315

diff --cc lib/mix/tasks/pleroma/instance.ex
index 997eabbeb443b66eb5c0b8ebe23e4109633a1812,7022d173dc5ddcb38926e8d9f57704f5ca28a30e..a27c4b897fe0e9aa506b313b7f1237de4eef1c91
--- 1/lib/mix/tasks/pleroma/instance.ex
--- 2/lib/mix/tasks/pleroma/instance.ex
+++ b/lib/mix/tasks/pleroma/instance.ex
@@@ -194,16 -183,13 +194,14 @@@ defmodule Mix.Tasks.Pleroma.Instance d
            template_dir <> "/sample_psql.eex",
            dbname: dbname,
            dbuser: dbuser,
 -          dbpass: dbpass
 +          dbpass: dbpass,
 +          rum_enabled: rum_enabled
          )
  
-       shell_info(
-         "Writing config to #{config_path}. You should rename it to config/prod.secret.exs or config/dev.secret.exs."
-       )
+       shell_info("Writing config to #{config_path}.")
  
        File.write(config_path, result_config)
-       shell_info("Writing #{psql_path}.")
+       shell_info("Writing the postgres script to #{psql_path}.")
        File.write(psql_path, result_psql)
  
        write_robots_txt(indexable, template_dir)