Summary

This PR brings the following beta features to the SDK:

• More scalable vault operations
• Manage vault permissions for groups
• Perform bulk item operations (e.g. get multiple items in a single request)

Here's a list of specific functions:

• Vault
  • list - supports fetching only the vault overview instead of fully decrypted vaults
  • get_overview
  • get
• Vault permission management for groups:
  • grant_group_permissions
  • update_group_permissions
  • revoke_group_permissions
• Bulk operations on items:
  • create_all
  • get_all
  • delete_all
• Groups - get a list of groups