[FEATURE] Support selecting/editing multiple events at once

[NicksPatties]

Is your feature request related to a problem? Please describe.
If someone has a large number of small events recorded, allow that user to perform operations on multiple events

Describe the solution you'd like

• Press and hold an event to select it
• Press on multiple events afterwards to select them as well
• Controls appear at the top of the screen to either delete or join events

Describe alternatives you've considered
N/A

Additional context
N/A