Move feature rundown to its own readme section and tracking adding E2…

…E UI tests

The tests will ensure that as I add new features, I don't break the existing ones.

readme.md

@@ -13,13 +13,20 @@ Whenever the tab becomes invisible, the current note gets archived and the note
 archive is stamped and displayed below on the page for historical reference and
 callbacks as needed.
 
-The web app offers the ability to recall or delete individual entries or to
-export the whole archive as JSON.
-
 ## Online Demo
 
 https://tomashubelbauer.github.io/screencast-card
 
+
+## Features
+
+- Records the draft entry when the tab is left and becomes invisible
+- Allows recalling archive entries for quick new drafts based off them
+- Allows deleting archive entries
+- Allows editing archive entries and keeps update history
+- Allows deleting update history entries
+- Allows exporting the whole archive as JSON
+
 ## Local Development
 
 Open `index.html` in your browser and ensure you have your browser configured
@@ -43,3 +50,7 @@ this possible.
 
 Display buttons for exporting and copying just the selection, for deleting the
 selected entries and for canceling the selection.
+
+### Add Playwright E2E UI tests and run them on pre-commit and in CI
+
+Use GitHub Actions to run Playwright in the CI.