Add changes to version selector

Author: MaedahBatool

docs.config.js

@@ -1,5 +1,5 @@
 const config = {
-	DOCS_LATEST_VERSION: '6.0'
+	DOCS_LATEST_VERSION: '6.1'
 };
 
 module.exports = config;

docs/legacy.mdx

@@ -2,6 +2,12 @@
 
 <p className="subtitle">This page displays the docs for legacy Sourcegraph versions less than 5.1</p>
 
+<Accordion title="Sourcegraph 6.X">
+
+  - [6.0](https://6.0.sourcegraph.com)
+
+</Accordion>
+
 <Accordion title="Sourcegraph 5.X">
 
   - [5.11](https://5.11.sourcegraph.com/docs)

src/data/versions.ts

@@ -15,8 +15,8 @@ export const versions: VersionI[] = [
         url: '/',
     },
     {
-        name: 'v5.11',
-        url: 'https://5.11.sourcegraph.com/'
+        name: 'v6.0',
+        url: 'https://6.0.sourcegraph.com/'
     },
 ];