Add Policy tab to WebUI

See merge request !91

- Minor correction in policy template

New features in Load Generator

See merge request !92

- Updated dashboard for load generator's status

- Added blocked counter

- Added blocked requests counter for load generator

- Updated dashboard for load generator's status

- Added deploy of load generator dashboard

- Updated dashboard for load generator's status

- Added parametrization for maximum number of workers
- Added preliminar dashboard for load generator's status

- Added parametrization for maximum number of workers

- extend load generator with max number of workers

- Minor cosmetic change

- Reverted change to prevent conflict

- Moved from common/method_wrappers to WebUI
- Generalized definition of dashboards
- Minor corrections in dashboards
- Corrected accounting of "not-found"/"already exists" exceptions in decorator
- Corrected type hints in decorator
- Added deployment of dashboards in deploy script

Update version of CockroachDB database (CLUSTER mode)

See merge request !90

- Added basic policy tab

- Corrected list_scalar_range method names
- Corrected form field types

- Improved list_scalar_range helper method names

- Added parametrization of availability, capacity and latency constraints in Load Generator dashboard

- Added parametrization of availability, capacity and latency constraints in services and slices

- extend load generator with service constraints (availability, capacity and latency)

- Updated deploy specs for testing purposes

- Added metrics port to manifest
- Added service monitor manifest
- Added metrics server
- Extended RequestGenerator to retrieve request_type
- Extended RequestScheduler to monitor setup and teardown requests and type of requests

- Improved label specification while getting meters

- Defined cluster-mode specs for testing

- Updated Cockroach Operator from v2.9.0 to v2.10.0
- Updated CockroachDB from v22.2.0 to v22.2.8
- Updated per-node requested and limit resources

Context & Device Performance Enhancements

See merge request !87

- Minor cosmetic changes

- Recovered deploy specs

- Updated default histogram set of buckets

Merge branch 'develop' of https://labs.etsi.org/rep/tfs/controller into feat/context-performance-scalability

- Recovered deploy specs