Work with markdown files in GTK4

Billy Barrow 2189f75ea5 Add a bunch more node actions %!s(int64=2) %!d(string=hai) anos
src 2189f75ea5 Add a bunch more node actions %!s(int64=2) %!d(string=hai) anos
.gitignore ab05239787 Initial Commit %!s(int64=2) %!d(string=hai) anos
test.md 2189f75ea5 Add a bunch more node actions %!s(int64=2) %!d(string=hai) anos