docs: fix edit links (vuejs#1521)

aniallator8 · web-flow · commit aee3f51ef655 · 2021-07-26T15:28:05.000+02:00
- 'next' points to non-existent location, 404 error on Github.
- 'main' should be what you're looking for here.
diff --git a/docs/.vitepress/config.js b/docs/.vitepress/config.js
@@ -11,7 +11,7 @@ module.exports = {
     repo: 'vuejs/vue-devtools',
     logo: '/logo-header.svg',
     docsDir: 'docs',
-    docsBranch: 'next',
+    docsBranch: 'main',
     editLinks: true,
     editLinkText: 'Suggest changes to this page',
 
