Fixed Spacing on bCoolDownRate README.md

Signed-off-by: shennetsind <ind@henn.et>
Fixed Spacing on SkillErrorMessages/README.md

Signed-off-by: shennetsind <ind@henn.et>
Updated bCoolDownRate

Matches latest updates to HPM Custom Data Struct, from https://github.com/HerculesWS/Hercules/commit/8fda38dcdabbb9d252b0e11fb07b2ad37f9e659f

Signed-off-by: shennetsind <ind@henn.et>