Changes in 0.20.10

[ Chris Hofstaedtler ]

• [e903f89] Enable dependabot for GitHub Actions
• [8cf171e] Replace GitHub workflows
• [1e2562c] Rename asciidoc files to *.adoc
• [1b073fb] Add README.md

📦 Installation:
Download the package and install with:

sudo apt install ./grml2usb_0.20.10+gh_all.deb