feat(tools): Link to the rust-analyzer instructions for Helix instead

Author: usagi-flow

templates/components/tools/editors.html.hbs

@@ -16,7 +16,7 @@
        class="button button-secondary">{{fluent "tools-editor-eclipse"}}</a>
   </div>
   <div class="w-25-l w-50-m w-100 pa3">
-    <a href="https://helix-editor.com"
+    <a href="https://rust-analyzer.github.io/manual.html#helix"
        class="button button-secondary">{{fluent "tools-editor-helix"}}</a>
   </div>
   <div class="w-25-l w-50-m w-100 pa3">