New resource ConfigMap

[raffis]

Is your feature request related to a problem? Please describe

We would like to see a possibility to have a config which can be injected into any kind of other resources like secrets.

Describe the solution you'd like

A ConfigMap would be quite similar to a secret, the only difference is that secrets are specially encrypted and encoded.

Describe alternatives you've considered

A clear and concise description of any alternative solutions or features you've considered.

Additional context

Add any other context or screenshots about the feature request here.