Migrating local Nifi Configuration to Helm Chart

[slender789]

Is your feature request related to a problem? Please describe.
I'm trying to deploy my local Nifi pipeline through the Helm Chart by migrating the configuration files, but I'm not able since I can't find much information about the process. I've tried replacing and adapting my local files to the ones present in the configs/ folder, but for some reason they don't attach to the ConfigMap.

Describe the solution you'd like
Explicit documentation on how to migrate from a local setup to this Helm Chart.

Describe alternatives you've considered
I've tried replacing the config files and manipulating the ConfigMap, but still get:

Even if the files are present