Version 2.0

This release adds the following functionality:

• Function as a GitHub App
• Enable support for OpenLDAP
• Enable support for Active Directory
• Enable nested team/group support (#21)
• Enable dry-run options (#22)
• Enable circuit-breaker thresholds (#23)
• Enable support for mapping to email addresses (#11)
• Enable mapping teams to LDAP groups by name (#3)
• Scheduled team sync
• Manual team mapping
• Migrate LDAP settings from settings.yml into the .env file
• Open issue on failure or on reaching threshold (#36)
• Add issue templates
• Update documentation