feat: adds bare readme (#2)

andrialexandrou · web-flow · commit 56d3e20647bc · 2022-07-29T19:35:50.000+03:00
diff --git a/readme.md b/readme.md
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+# GitHub Flavored Markdown Linting
+
+This is currently an experiment around defining custom rules for markdown files internally at GitHub, specifically motivated by needs from the accessibility team.
+
+Effort initiated during a [markdown linting tooling spike](https://github.com/github/accessibility/issues/1429).
