docs: drop draft notice and fix widget link

README.md

@@ -10,15 +10,12 @@ pretty_name: quantem-data
 
 # quantem-data
 
-**This page is in draft mode. We are still exploring the upload process
-and the `meta.json` template.** Keys, the checker, and these instructions
-will change as we try real pull requests. Use the current required keys
-for new PRs, and expect the template to grow.
-
-**This repo is currently used primarily by
-[quantem.widget**](https://github.com/electronmicroscopy/quantem.widget)
+This repo is currently used primarily by
+**[quantem.widget](https://github.com/electronmicroscopy/quantem.widget)**
 (tutorial notebooks and `quantem.widget.datasets`). Other QuantEM packages
-may use it later.
+may use it later. Keys, the checker, and these instructions can grow as
+we take more Community pull requests. Use the current required keys for
+new PRs.
 
 Public electron-microscopy data. MIT license. Downloads need no token.
 This page is the upload and download protocol.