tree a0f6de08c83035da745c19c8f25a7c5d138e782b
parent 20fdf2a69b924069365805c49cc34fee9881e3cb
author avm99963 <me@avm99963.com> 1608487876 +0100
committer avm99963 <me@avm99963.com> 1608488498 +0100

Several improvements before second concert

- Add end timestamp to concerts
- Add ability to view booklets for past concerts
- Filled concerts/nadal2020nens.json

Change-Id: Ic83b0b46661d1557468b0ffe678ac78e794ec179