Missing Management API

[Tanver-Hasan]

Please add the following Management APIv2.

• Email Template :
  https://auth0.com/docs/api/management/v2#!/Email_Templates/get_email_templates_by_templateName

• Custom Domain:
  https://auth0.com/docs/api/management/v2#!/Custom_Domains/get_custom_domains

• Branding :
  https://auth0.com/docs/api/management/v2#!/Branding/get_branding

• Log Streams :

https://auth0.com/docs/api/management/v2#!/Log_Streams/get_log_streams

• Keys:
  https://auth0.com/docs/api/management/v2#!/Keys/get_signing_keys

• Anomaly:
  https://auth0.com/docs/api/management/v2#!/Anomaly/get_ips_by_id

• Rule Config :
  https://auth0.com/docs/api/management/v2#!/Rules_Configs/get_rules_configs