<Task> Add tooltips to skill tree

[kurt-553]

Description

Task: Skill Tooltips.
Feature: [Visual Skill Cooldowns, Skill Optimisation and Skill Visual Design Improvements] (#325)

Tooltips for hover when mouse over the skills in the skill tree. This was identified from user testing as a vital part of user experience when using skills

Milestones

List of steps that need to be completed for this task.

• Implement Tooltips (18/10)

Completion Deadline: 18/10

Documentation

• User Testing

Member

• Kurt (@kurt-553) (Kurt Lucas)