feat: add cluster label in kafka, redis, mysql and mojaloop dashboards

[muzammil360]

summary

• added mysql-exporter-quickstart dashboard

• added redis-exporter-quickstart dashboard

• upgraded kafka-topic-overview dashboard to query w-r-t selected cluster label

• upgraded nodes-application dashboard to query w-r-t selected cluster label

• upgraded central-services dashboard to query w-r-t selected cluster label

• upgraded performance-troubleshooting dashboard to query w-r-t selected cluster label

• upgraded quoting-service dashboard to query w-r-t selected cluster label

• upgraded simulators dashboard to query w-r-t selected cluster label

[sonarcloud[bot]]

Quality Gate passed

Issues
0 New issues
0 Accepted issues

Measures
0 Security Hotspots
0.0% Coverage on New Code
0.0% Duplication on New Code

See analysis details on SonarCloud

[elnyry-sam-k]

Thanks @muzammil360 - but please list all the changes included in the PR, in the description section if possible. There are two new additions and other changes as well along with the filtering option on cluster.