Upload *Scala Symposium* Proceedings to the Zenodo Community

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• SCALA '13: Proceedings of the 4th Workshop on Scala (doi: 10.1145/2489837)
• SCALA 2015: Proceedings of the 6th ACM SIGPLAN Symposium on Scala (doi: 10.1145/2774975)
• SCALA 2021: Proceedings of the 12th ACM SIGPLAN International Symposium on Scala (doi: 10.1145/3486610)
• SCALA 2020: Proceedings of the 11th ACM SIGPLAN International Symposium on Scala (doi: 10.1145/3426426)
• Scala '19: Proceedings of the Tenth ACM SIGPLAN Symposium on Scala (doi: 10.1145/3337932)
• Scala 2018: Proceedings of the 9th ACM SIGPLAN International Symposium on Scala (doi: 10.1145/3241653)
• Scala '22: Proceedings of the Scala Symposium (doi: 10.1145/3550198)