* added package- and module-info.java, changed JRE from 8 to 11
* moved ObjectProcessor into the processors package
Co-authored-by: CyB3RC0nN0R <kske@outlook.de>
additionally cleaned up whole project, fixed some Javadoc errors and
added a few database and connection options.
Sorry for the huge commit, there was almost no time inbetween where a
commit would have been possible, as to solve every problem, a new
problem arose.
However, as of now, f/message_handling should be ready to be merged into
develop, besides that it could not be tested yet.
