Merge pull request #9 from Omikhleia/revert-license-to-BSD

refactor: Revert license back to BSD 3-clause for my own code

Merge pull request #6 from Omikhleia/v2-refactor

Licence change, removal of silex dependency, logo image in QR code

Merge pull request #5 from Omikhleia/feat-colored-dotted-qr-codes

Feat colored dotted qr codes

Merge pull request #3 from Omikhleia/fix-update-sile-0.15

refactor: Compatibility upgrade with SILE 0.15

chore: Start versioning rocks