added pom for building project; makes project publishable; see: https://issues.sonatype.org/browse/OSSRH-9367
added pom for building project; makes project publishable; see: https://issues.sonatype.org/browse/OSSRH-9367

AaroC357/cc-warc-examples,tfmorris/cc-warc-examples,Smerity/cc-warc-examples,commoncrawl/cc-warc-examples