Basic functionallity

Changelog:

• feat

  • parser: add XML Template Parser (#1) 5960df3 @donatorsky

• chore

  • composer: update package name 7a1f7ca @donatorsky
  • funding: add funding details 4ccdbd2 @donatorsky
  • readme: add basic README.md file 53559ed @donatorsky
  • composer: set up Composer configuration f83ade8 @donatorsky
  • dx: set up .editorconfig file d421add @donatorsky

• test

  • mutation: add mutation tests (#2) 9d9203e @donatorsky

• ci

  • coveralls: configure Coveralls (#3) 6b9cebe @donatorsky
  • GitHub Actions: set up a basic configuration b9c38d8 @donatorsky