chore: adds initial RELEASE.md

RELEASE.md

@@ -0,0 +1,20 @@
+# Release
+
+* [ ] Create the release commit:
+  * Bump the release number in `package.json`.
+  * Update the `CHANGELOG.md` with the new date (don't forget to add a new `##
+    Unreleased` section).
+  * Commit the changes with the message: `release: bumps the version to vX.Y.Z`.
+* [ ] Tag this commit: `git tag vX.Y.Z && git push --tags`
+* [ ] Create a release in GitHub and copy over the contents of the `CHANGELOG.md`
+   there
+* [ ] Go to the Releases page in Github, create a Release for this tag, and
+copy the notes from the `CHANGELOG.md` file.
+* [ ] Run `vsce package` from the root directory to build the package.
+* [ ] Run `vsce publish` from the root directory to build the package.
+  * You can navigate to https://dev.azure.com to generate a personal access
+    token when it asks for that.
+* [ ] Ensure that the update successfully pushes to [the public download page].
+
+[the public download page]:
+    https://marketplace.visualstudio.com/items?itemName=stjude-rust-labs.sprocket-vscode