Contrast-Finder-Firefox v0.3.3

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* develop: (52 commits)
  set version to 0.3.3
  doc: typo
  typo
  updated URL
  Github templates for Issue and PR: rephrased content
  Added ISSUE_TEMPLATE + PULL_REQUEST_TEMPLATE
  update README : add license badge
  update /docs/Images/
  update .gitignore
  update name + package.json
  update name in docs/en/*.md
  move screenshots in /docs/en/
  add CONTRIBUTING.md
  add CODE_OF_CONDUCT.md
  Initial fork from Tanaguru/Contrast-Finder-Firefox
  move documentation in docs/en/
  Updated Home (markdown)
  Updated Technical documentation (markdown)
  Updated Technical documentation (markdown)
  Updated Technical documentation (markdown)
  ...

v0.3.2

package update

v0.3.1

several bug correction, refractoring

v0.3

version 0.3

v0.2.3

Merge branch 'develop'

v0.2.2

version 0.2.2

v0.2.1

v0.2.1

v0.2

version 0.2

v0.1

version 0.1