[0.3.0] Preset Fighters, Customisable Toughness Ranges, and Snackbars

Feature Additions

• Add an import screen that allows users to select a number of fighters to import (fixes #4)
  • For now it is just the Season 1 Warbands (Going to add more very soon)
  • NOTE: The preset fighters only contain the weapons. no runemarks, art, wounds, toughness, movement, or points will be added. This is not a replacement for cards/ToC
• Allow users to customise the toughness range used for results (fixes #14)
  • Configure the min/max toughness to generate data for. Leave as Auto to let the API decide
  • How the Auto range is determined:
    • (MIN STR - 1) <---> (MAX STR + 1)

UI

• Added Snackbar notifications (fixes: #7)
  • Deleting Fighter
    • Undo: will re-add the fighter at the deleted position
  • Deleting Profile
    • Undo: will re-add the Profile at the deleted position for said fighter
  • Error fetching stats
    • Retry will re-attempt the API request
  • Importing fighter success
• Added AoS Statshammer as a Social Button (Footer and About page)
• Change SVG Text Object -> Path (fixes #16)
  • Use SVGIcon instead of loading through img src