Add new file

_loan/20230728-barcamp.md

+---
+layout: loan
+title:  "Verleih"
+eventdate:   2023-07-28 00:00:00 +0200
+eventend:    2023-07-31 23:59:59 +0200
+#https://www.uuidgenerator.net/
+uid: 75a0c0a3-26f4-4db8-951d-b8618dedea12
+contact: verleih@chaotikum.org
+devices:
+ - 14961ed3-235f-4869-918b-573aa4f2befa
+short: "Beamer verliehen"
+---