RDF parsing

RDF parsing consists of three components:

1. RDF Parser
   Parser Library written in Python
   Repository: fdk-rdf-parser

2. RDF Parser Service
   JSON API service responsible for parsing RDF (turtle) to JSON using RDF Parser.
   Repository: fdk-rdf-parser-service

3. RDF Parse Event Publisher
   Kafka consumer/producer consuming events of type reasoned and producing RDF Parse Events using RDF Parser Service.
   Repository: fdk-rdf-parse-event-publisher