message: Make top docs bar not closable
diff: @@ -34,7 +34,7 @@ module.exports = {
  content: `SST v2 is now available! Checkout the <a href="https://docs.sst.dev/upgrade-guide">migration guide</a>`,
  backgroundColor: "#395C6B",
  textColor: "#FFFFFF",
  - isCloseable: true,
  + isCloseable: false,
  },
  navbar: {
  title: "",
  