Read Me improvement

[Raushan Raj]

1. Adding CI badges
2. Adding Sqube Badge - CodeQuality and Security
3. Adding Sponsor badge after permission.
4. Add Documentation link docs.kubelight.com

[Santiago Bernhardt]

Any documentation will be useful XD

[Raushan Raj]

@sbe-arg Sure, with 0.0.5 we will release the documentation itself on docs.kubelight.com.

[Btcdfo141]

Need a deployment doc

[Raushan Raj]

@Btcdfo141 It is not suitable to run it on production K8s clusters. Please wait till release 0.0.5.