Add changelog and add detail to readme

Ed Slavich · Ed Slavich · commit 280b8f1e47f9 · 2021-11-24T10:41:56.000-05:00
diff --git a/CHANGES.rst b/CHANGES.rst
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+0.1.0 (2021-11-24)
+------------------
+
+- Initial release
diff --git a/README.md b/README.md
@@ -1,4 +1,7 @@
 # asdf-transform-schemas
-ASDF schemas for transforms.
+
+This package provides ASDF schemas for validating transform tags.  Users should not
+need to install this directly; instead, install an implementation package such
+as asdf-astropy, which includes asdf-transform-schemas as a dependency.
 
 ![CI](https://github.com/asdf-format/asdf-transform-schemas/workflows/CI/badge.svg)

-Original file line number
+Diff line change
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 +0.1.0 (2021-11-24)
 +------------------
++
 +- Initial release