Update _index.md

Author: RachHG

content/en/_index.md

@@ -19,6 +19,16 @@ blocks:
     [Harmony Meta](https://harmonydata.ac.uk/search/) - Our new discovery engine that helps you search through vast catalogues of study metadata to identify the variables you need for your research.
 
     [Harmony](https://harmonydata.ac.uk/app/) - Our flagship tool that uses Large Language Models to automatically match items from different questionnaires, even across different languages.
+  
+  buttons:
+  - text: Try Harmony Meta Now
+    url: "https://harmonydata.ac.uk/search/"
+    style: gradient
+    size: large
+  - text: Harmonise your questionnaires
+    url: "https://harmonydata.ac.uk/app/"
+    style: gradient
+    size: large
 
   links:
   - heading: Harmony Meta
@@ -34,16 +44,6 @@ blocks:
     copy: Raise an issue with Harmony's natural language understanding.
     url: "https://github.com/harmonydata/harmony/issues"
 
-  buttons:
-  - text: Try Harmony Meta Now
-    url: "https://harmonydata.ac.uk/search/"
-    style: gradient
-    size: large
-  - text: Harmonise your questionnaires
-    url: "https://harmonydata.ac.uk/app/"
-    style: gradient
-    size: large
-
 - block: video
   padding: top
   superheading: "**Harmony**"