adding grafana, prometheus dashboard for analysing APIs

[spiderxm]

Description

Adding prometheus and grafana dashboard for API analysis and performance metrics.

Motivation and Context

Better analysis of our backend

How Has This Been Tested?

Screenshots (if appropriate):

Go to Dashboards and you will see our dashboard listed out there

Click on it and see a dashboard like this with all the necessary metrics

Types of changes

• Bug fix (non-breaking change which fixes an issue)
• New feature (non-breaking change which adds functionality)
• Breaking change (fix or feature that would cause existing functionality to change)
• Other

Checklist

• I have followed the Contributor Guidelines.
• The code has been thoroughly tested in my local development environment with flake8 and pylint.
• The code is Python 3 compatible.
• The code follows the PEP8 styling guidelines with 4 spaces indentation.
• This Pull Request relates to only one issue or only one feature
• I have referenced the corresponding issue number in my commit message
• I have added the relevant documentation.
• My branch is up-to-date with the Upstream master branch.

[dhirensr]

did you mean datasource.yaml and datasource.json?