Add IETF Slice NBI

See merge request !70

- Added TODO with test cases to check

- Added missing bearer mappings

- IETF L2VPN Driver: removed force to show emulated devices
- Microwave: correcred parsing of existing services
- Openconfig: corrected gneration of endpoints; added missing retry decorators

- Created 2 sets of descriptors: real and emulated
- Updated real scenario settings

- Restored log levels

Enable multiple TFS instances to be deployed in the same MicroK8s environment

See merge request !72

- Added definition of external ports
- Added definition of NATS namespace
- Improved Grafana configuration
- Improved deployment of dependencies
- Updated my_deploy.sh script

WebUI for creating XR services

See merge request !68

- First basic and functional version

- Extended child descriptor with full-mesh topology
- Extended parent descriptor with import topology setting for XR

- Added setting to control how underlying topology should be imported
- Extended XR Driver to enable topology import selection

- IETF L2VPN Service Handler: corrected endpoint conditions and selection
- TAPI Service Handler: corrected endpoint conditions and selection
- TAPI-XR Service Handler: separated from TAPI to prevent collisions in endpoint selection and config message composition

- TransportAPI Driver: Updated input_sip/output_sip fields to input_sip_uuid/output_sip_uuid
- XR Driver: Updated input_sip/output_sip fields to input_sip_name/output_sip_name

- Sort Service and Slice endpoints according to set request

- Renamed device "manager" to device "controller"
- Extended TAPI Service Handler to support optional device controllers
- Fixed IETF L2VPN Service Handler delete to support optional device controllers

- Renamed device "manager" to device "controller"
- Extended TAPI Service Handler to support optional device controllers
- Fixed IETF L2VPN Service Handler delete to support optional device controllers

- Renamed device "manager" to device "controller"

- Renamed device "manager" to device "controller"

- Corrected endpoint-to-link datastructure
- Improved identification of config rules by device/endpoint uuid/name
- Assumed links are unidirectional
- Rewritten sub-serice computation logic to consider intermediate controllers
- Rewritten method eropath_to_hops based on new endpoint-to-link datastructure
- Minor bug resolutions
- Updated test pathcomp temporary code

- Added topology icons for radio routers
- Increased topology canvas size

- Added XR controller in the topology
- Created separate file without XR devices
- Removed unneeded descriptors
- Updated service descriptor

- Initial version (work in progress)

- Added link identifiers
- Added run script

- L2NM/L3NM Emulated Service Handler: ignored configurations when there are no rules to configure
- IETF L2VPN Service Handler: corrected configuration rule for Device component

- Deactivated bidirectional link auto-creation
- Deactivated resource consumption in multi-path computations

- Corrected underlying link discovery
- IETF L2VPN Driver:  corrected configuration rules, removed logs, corrected parsing of return messages, minor adaptations in WIM connector
- XR Driver: Added topology discovery

- Corrected OFC'23 constants

- Added Device Types for Radio Router

Improved OpenConfig Driver and Service Handler

See merge request !69