v1.0.0rc2

What's Changed

• Fix docs link (google.github.io -> mesop-dev.github.io) by @wwwillchen in #1239
• Fix GitHub repo reference by @wwwillchen in #1240
• Remove editor toolbar and concurrent updates code (unshipping for v1) by @wwwillchen in #1244

Full Changelog: v1.0.0rc1...v1.0.0rc2