Release 0.5.0

New page: Addons (create and import addons)
Initial GUI builder/modifier (not finished, try it by clicking the invisible button above the settings icon)
New workflow component:
Notification (show a notification bubble)

New add-on: Tasks (Premium)
Scheduled or recurring workflows, you can say things like:
"Every weekday at 9am"
"Every 2 seconds"
"On the last friday of every month that starts with a J"

Fixed bug changing config in system settings
Fixed themes
Fixed '<>' bracket bug in LLM response
Some other bug fixes