add captcha possibility

defaults/main.yml

@@ -63,6 +63,7 @@ pleroma_nofile: '500000'
 pleroma_instance_favicons: 'true'
 pleroma_remoteip: 'true'
 pleroma_proxies: '["192.168.33.15"]'
+pleroma_captcha: 'false'
 pleroma_custom_emoji: 'true'
 pleroma_custom_emoji_list:
   - name: 'blobbear'

templates/config.exs.j2

@@ -44,6 +44,11 @@ config :pleroma, Pleroma.Repo,
   pool_size: 10,
   timeout: 60000
 
+config :pleroma, Pleroma.Captcha,
+  enabled: {{ pleroma_captcha },
+  seconds_valid: 300,
+  method: Pleroma.Captcha.Native
+
 config :logger,
   backends: [{ExSyslogger, :ex_syslogger}]