Runtime must be able to read dynamic text files (.srt) with fillColor field in header

1. Runtime must be able to read dynamic text files (.srt) with fillColor field in header

Definition of Done:

1. Implementation done.
2. Unit tests are implemented.
3. Quality gates passed (reviews, MISRA, coverage checked).
4. Unit tests are documented in TestRail.
5. Online API documentation written to runtime.
6. Architecture documentation is updated.
7. Design documentation is updated.