v0.2.1

0.2.1

• License: Update license file name to reflect license type is specifically
  LGPL-3.0-only
• npm: Change license to non-deprecated SPDX identifier, LGPL-3.0-only
  as per:
  SonarSource/eslint-plugin-sonarjs#190)

Dev-focused:

• Linting: Apply prettier to MD files and reapply latest to whole project
• npm: Revert back to using fixed rather than self-referential version of
  eslint-plugin-radar for self-linting (was adding to file space)