chore: 重构旧前端

client/ui/chat/MessageContainer.jsx

@@ -0,0 +1,14 @@
+export default function MessageContainer({ children }) {
+    return (
+        <div style={{
+            display: 'flex',
+            flexDirection: 'column',
+            justifyContent: 'flex-end',
+            alignItems: 'center',
+            paddingTop: '10px',
+            paddingBottom: '14px'
+        }}>
+            {children}
+        </div>
+    )
+}