Add Weapon Accuracy Tracker plugin

[stev3dale-bit]

A plugin that tracks real combat accuracy (hit %) for melee, ranged,
and magic weapons based on live hitsplat data. Shows accuracy %,
hits/misses, total damage, and average hit in an overlay and info box.

[tylerwgrass]

weapon-accuracy-tracker: repository is not an accepted url
in file plugins/weapon-accuracy-tracker:
repository=https://github.com/stev3dale-bit/OSRS-weapon-accuracy-tracker
repository must be a clone url ~ it should end with .git