test drive the ingest of rdf into graphdb

[marc-portier]

we should have a minimal setup that can load some initial basic triples into the graphdb showcasing we have that covered

todo:

• [ ] have a basic ttl-file to graphdb python thingy (use maybe https://pypi.org/project/graphdb-python/)
• [x] create a standard ./data/project.ttl file with a meanigful overall project description to have a simple base for testing
• [ ] setup the whole docker chain to have this ingested
• [ ] test in graphdb if we can find / query these

[marc-portier]

concerning the usage of the suggested api client to graphdb:

• it maybe wiser to use standard sparql insert statements
• that makes the graphdb easier to replace!

caveat: have to deal with converting the turtle to sparql insert though