Release 2.2.1

• fix #11 (ff7289f)
• add dot parser hint (9b7444c)
• update issue templates (d63d56a)
• fix license (2484299)
• clean code and simpler ci (67980da)
• update dependencies and format code (fb3609f)
• unify updates (291ce70)
• update dependencies (634c7e4)
• Merge pull request #5 from sgratzl/dependabot/npm_and_yarn/handlebars-4.5.3 (adabcfe)
• Bump handlebars from 4.2.0 to 4.5.3 (2eba4f4)