- Added link_id as KPI descriptor field

- ForecastLinkCapacityReply: Renamed attribute current_capacity_gbps to current_used_capacity_gbps
- ForecastLinkCapacityReply: Renamed attribute forecasted_capacity_gbps to forecast_used_capacity_gbps

- LinkAttributes: Renamed attribute current_capacity_gbps to used_capacity_gbps

- Added attributes to Link in context

- Corrected forecaster.proto attribute types

- Added entries in proto
- Added entries in common/type_checkers
- Updated Context, Automation, and Policy components

- Intermediate backup (not functional)

- Intermediate backup (not functional)

- Replace custom Empty message by StatusMessage
- Pre-merge code cleanup

 - Add _connect/mpls_label and _connect/pcc_address to the allowed
   device configuration.

- Eliminated hardcoded attack connection IPs and introduced a more flexible approach.
- Incorporated a new RPC method and protobuf message in the CAD proto to facilitate setting the attack connection IPs by an external component to enable computation of the ML model's performance for testing purposes.
- Introduced a new environment variable in CAD to enable or disable testing of the ML model accuracy.

 - Add _connect/mpls_label and _connect/pcc_address to the allowed
   device configuration.

- Added to Interdomain method to delete slice

- Added gNMI OpenConfig Driver

- Added controller_id field in Device