message: docs: update the theme-color to blurple
diff: @@ -9,7 +9,7 @@ module.exports = {
  description,
  head: [
  ["link", { rel: "icon", href: "/favicon.png" }],
  - ["meta", { name: "theme-color", content: "#3eaf7c" }],
  + ["meta", { name: "theme-color", content: "#7289DA" }],
  ["meta", { name: "apple-mobile-web-app-capable", content: "yes" }],
  [
  "meta",
  