Merge pull request #60 from mandolyte/ioutil.ReadAll-deprecated

As of Go 1.16, ioutil.ReadAll is deprecated and simply calls io.ReadAll

Merge pull request #54 from mandolyte/dependabot/go_modules/golang.or…

…g/x/net-0.23.0

Bump golang.org/x/net from 0.8.0 to 0.23.0

Old habits die hard; adhere to GO's var naming conventions:

Error: cmd/md2pdf/md2pdf.go:123:12: don't use underscores in Go names; range var file_path should be filePath
Error: cmd/md2pdf/md2pdf.go:124:6: don't use underscores in Go names; var file_contents should be fileContents

Merge pull request #50 from jessp01/disable-MathAJax-gomarkdown-ext

See #49

Merge pull request #44 from jessp01/new-fpdf-ver

New fpdf version (0.9.0)

Merge pull request #43 from jessp01/set-blockquote-style

Set blockquote default style

Merge pull request #42 from jessp01/better-image-download-flow

Improve image download flow

Merge pull request #41 from jessp01/replace-blackfriday-refs

Replace gomarkdown references in README

Merge pull request #39 from jessp01/add-badges-to-readme

Add license and CI build badges to README

Merge pull request #38 from jessp01/support-svg

Support processing of SVG images, add CI and Goreleaser flow