Add Submission 2 mapping

static/mapping/mapping.csv

+Variable,Wikidata,DBPedia
+Titel,<http://www.w3.org/2000/01/rdf-schema#label>,<http://xmlns.com/foaf/0.1/name>
+Director,<http://www.wikidata.org/prop/direct/P57>,<http://dbpedia.org/ontology/director>
+Author,<http://www.wikidata.org/prop/direct/P58>,<http://dbpedia.org/ontology/author>
+Cast Member,<http://www.wikidata.org/prop/direct/P161>,<http://dbpedia.org/ontology/starring>
+Date published,<http://www.wikidata.org/prop/direct/P577>,<http://dbpedia.org/ontology/releaseDate>
+Genre,<http://www.wikidata.org/prop/direct/P136>,<http://purl.org/dc/terms/subject>
+Genre,<http://www.wikidata.org/prop/direct/P136>,<http://dbpedia.org/ontology/genre>
+Duration,<http://www.wikidata.org/prop/direct/P2047>,<http://dbpedia.org/ontology/runtime>
+Description," <http://schema.org/description>",<http://dbpedia.org/ontology/abstract>
+Production company,<http://dbpedia.org/ontology/P272>,<http://dbpedia.org/ontology/distributor>
+Production company,<http://dbpedia.org/ontology/P272>,<http://dbpedia.org/property/productionCompanies>
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