Merge pull request #4 from SHyx0rmZ/fix/final-value-if-true

* Only mark value as final if readonly parameter is "true"
Merge pull request #3 from SHyx0rmZ/fix/config-export

! Fixed config export
* Respond with "false" when trying to overwrite a final value
Merge pull request #5 from SHyx0rmZ/fix/response-set-final

* Respond with "false" when trying to overwrite a final value
Updated configuration example
Merge branch 'release/21-01-13' into develop
Copying config.js.example to config.js

Signed-off-by: Alexander Kluth <derhartmut@niwohlos.org>