Add documentation for manual installation.

[jasvinder1107]

Team,

Please add the manual installation steps for this operator.

Regards,
Jasvinder

[prannonpendragas]

@jasvinder1107 I'm just starting to play around with this, but I was able to install this in a BYO kubernetes cluster of my own by using the helm chart in ~/charts/rockoon using the command:

helm --kubeconfig kubeconfig install rockoon charts/rockoon/

[jasvinder1107]

@prannonpendragas Yeah, I have already installed this before raising this issue. I talked to Vasyl about this need to be added to the documentation, since there was no manual installation documentation in github page for this. I would like that to be added there. That is why i created this issue. Also, configuring the preset and cores and manually creating the preset as well.