Release Maven package

• Rename shorthands of arguments to 1 letter long args
• Add GitHub Actions workflows to publish Maven package and Docker image to GitHub Packages
• Rename the package from nl.unimaas.ids to org.semanticscience.d2s and artifact from d2s-sparql-operations to sparql-operations

Add operation to upload RDF files

• Add operation to upload RDF files using -op upload with wildcarded paths, e.g. *.ttl (using Ant DirectoryScanner)
• Added documentation to build jar file with maven, and now publish the jar file in releases
• Upgraded from Java 8 to Java 11