Add workflow badges

Author: jonathanhogg

README.md

@@ -1,6 +1,9 @@
 
 # Flitter Pygments
 
+[![CI lint](https://github.com/jonathanhogg/flitter-pygments/actions/workflows/ci-lint.yml/badge.svg?)](https://github.com/jonathanhogg/flitter-pygments/actions/workflows/ci-lint.yml)
+[![Release package](https://github.com/jonathanhogg/flitter-pygments/actions/workflows/release-package.yml/badge.svg)](https://github.com/jonathanhogg/flitter-pygments/actions/workflows/release-package.yml)
+
 This package provides a [Pygments](https://pygments.org) lexer for the [Flitter
 programming language](https://flitter.readthedocs.io/). This enables syntax
 highlighting in [Sphinx](https://www.sphinx-doc.org/en/master/) documentation