Add a filter system for file content

[prisis]

Is your feature request related to a problem? Please describe.
Add the possibility to filter file content, that should be skipped on template sync

Describe the solution you'd like
possible syntax for action

filters: 
  - 
    filepath: string
    filter: string
  - 
    filepath: string
    filter: string

Describe alternatives you've considered
n/a

Teachability, Documentation, Adoption, Migration Strategy
n/a

[prisis]

To apply changes with a filter possibly, workflows needs to be changed to git patch

• Create a git patch reader