Changes:
- the date of bot aggression has been changed. Before that, they were all fascinating exactly at the beginning of the year. With a change, they will capture at a random moment.
- added mercenaries. They do not need to be trained and they do not need equipment in the warehouse, but they cost 10 times more

- added mini windows when hovering over countries in which its power is shown

- fixed movement of the camera when pressing the middle mouse button
- the countries window has been made more convenient

- redesigned appearance of the country selection screen

- redesigned capture notifications. They are now smaller and in the corner of the screen, and disappear automatically after 30 days
