Added automatic screenshots with QoL options

[ipkpjersi]

We should merge both develop and screenshots branches before merging this. Also need to add QoL toggle for this first before merging. The rationale behind this feature is basically a poor man's player exports. Also, there are official clients out there like RL that take automated screenshots on levelup, on kill and on death, etc so IMO this isn't too unheard of as a feature.