docs: improve readme [skip ci]

source/plugins/achievements/README.md

@@ -7,7 +7,7 @@ The *achievements* plugin displays several highlights about what you achieved on
     <details open><summary>Compact display</summary>
       <img src="https://github.com/lowlighter/lowlighter/blob/master/metrics.plugin.achievements.compact.svg">
     </details>
-    <details open><summary>Detailed display</summary>
+    <details><summary>Detailed display</summary>
       <img src="https://github.com/lowlighter/lowlighter/blob/master/metrics.plugin.achievements.svg">
     </details>
     <img width="900" height="1" alt="">

source/plugins/achievements/metadata.yml

@@ -1,6 +1,6 @@
 name: "🏆 Achievements"
 category: github
-index: 17
+index: 14
 supports:
   - user
   - organization