Features: Memory page rendering and other bug fixes (#11784)

### What problem does this PR solve?

Features: Memory page rendering and other bug fixes
- Rendering of the Memory list page
- Rendering of the message list page in Memory
- Fixed an issue where the empty state was incorrectly displayed when
search criteria were applied
- Added a web link for the API-Key
- modifying the index_mode attribute of the Confluence data source.

### Type of change

- [x] Bug Fix (non-breaking change which fixes an issue)
- [x] New Feature (non-breaking change which adds functionality)

web/src/pages/memory/memory-setting/index.tsx

@@ -0,0 +1,13 @@
+export default function MemoryMessage() {
+  return (
+    <div className="flex flex-col gap-2">
+      <div className="flex items-center gap-2">
+        <div className="h-4 w-4 rounded-full bg-text-secondary">11</div>
+        <div className="h-4 w-4 rounded-full bg-text-secondary">11</div>
+      </div>
+      <div className="flex items-center gap-2">
+        <div className="h-4 w-4 rounded-full bg-text ">setting</div>
+      </div>
+    </div>
+  );
+}