Merge pull request #3 from Freischuetz-Digital/master

fix: missed to merge release-0.2.0 into develop
fix typo
prettify according to FreiDi bootstrap
format facsimile heading
fix column display
add github repo and issue tracker links
added verovio credits and link
add FreiDi template to verovio test
Merge branch 'feature_bootstrap' into develop
v0.3.0
Merge branch 'release-0.3.0'