Integrate NFV-SDN'22 demo

See merge request !24

- added missing scenario README.md file

- activated build of gateway in deploy.sh script

- removed unused/unneeded files

- activated deployment of Grafana dashboard

- reduced log level of some components

fix(policy): Add policy kubernetes manifest file

See merge request !23

Improving scripts that launch all the tests of ofc22 and ecoc22 at once

See merge request !19

XR Driver

See merge request !20

- cleanup .gitignore

- added missing Python code file headers

- updated repo URL in readme file

Modifying the number of KPIs necessary so that the tests are more suitable for being run after other tests.

Merge branch 'develop' of https://labs.etsi.org/rep/tfs/controller into feat/xr_device_driver_20221102

fix: Change directory structure to match hackfest

See merge request !12

- corrected run_test scripts

- corrected SetContext
- corrected SetSlice/RemoveSlice
- implemented GetSliceEvents
- corrected RemoveService

Microwave ServiceHandler

See merge request !22

- Added readme file on how to use the Mock MicroWave SDN Controller and run the tests for the MicroWaveDeviceDriver and MicroWaveServiceHandler.
- Updated the descriptors associated to this test.

- aesthetic code formatting
- improved error checking
- factorized code

- added logic to propagate config rules of services to subservices by default

- Reduced log level of device, service and slice components to INFO

- Descriptors for a test topology
- Descriptiors for a test microwave service
- Implemented Mock MicroWave SDN Controller to test MicroWaveDeviceDriver

- added device layer to service type mapping for MAC layer controllers

- added missing node icon for microwave radio systems (by now as a virtual controller)

- corrected device type name typo
- added missing devicetype-to-layer rules

- migrated to new ServiceHandler API
- added missing __init__.py file

- minor improvement in error checking

Merge branch 'develop' of https://labs.etsi.org/rep/tfs/controller into feat/service-handler-microwave

refactor(policy): add monitoring proto changes

See merge request !21

- deactivated MockBlockchain
- added Dlt Gateway to dump_logs script
- created fast-redeploy script

- reactivated build and deployment of DLT Gateway component

- Converted DltEventsCollector into a thread to enable auto-reconnection to gateway
- Corrected removal of slice endpoints while updating remote slices on local domain

- resolved database conflict while creating slice endpoints