docs: add README

Author: tueda

README.md

@@ -0,0 +1,10 @@
+# form-docs
+
+[![Deploy](https://github.com/form-dev/form-docs/actions/workflows/deploy.yml/badge.svg)](https://github.com/form-dev/form-docs/actions/workflows/deploy.yml)
+
+This repository automatically builds and publishes
+the [FORM documentation](https://form-dev.github.io/form-docs/)
+using sources from the [FORM repository](https://github.com/form-dev/form).
+
+- [Latest development reference manual](https://form-dev.github.io/form-docs/master/manual)
+- [Stable reference manual](https://form-dev.github.io/form-docs/stable/manual)