Add Egg_Count

[g2384]

Short Description

Display number of eggs.

Possible solution

           self.emit_event(
                'next_egg_incubates',
                formatted='Next egg incubates in {distance_in_km:.2f} km, Egg count: {egg_count}',
                data={
                    'distance_in_km': km_left,
                    'egg_count': len(self.eggs)
                }
            )

How it would help others

[mjmadsen]

PR #4274 plans on adding this.