Reuse php-timeline

[pronskiy]

In 2020 I collected many events in this repository https://github.com/JetBrains/php-timeline/blob/master/php-timeline.json.
Visualised here https://www.jetbrains.com/lp/php-25/.
Both can be freely re-used.