Add plugin [Prison Sentence]

[Fiskmans]

Allows the player to specify how many kills they want to do per day/week/month for certain bosses and pops up an infobox if they fall behind, telling them their current progress and goal.

[runelite-github-app[bot]]

New plugin prison-sentence: https://github.com/Fiskmans/rl_prison_sentence/tree/8be7fb8bfa3eef78259058e82cb74d660b237e8f