add responsive tag

src/client/js/components/Admin/SlackIntegration/CustomBotWithoutProxyIntegrationCard.jsx

@@ -25,6 +25,15 @@ const CustomBotWithoutProxyIntegrationCard = (props) => {
       </div>
 
       <div id="integration-line" className="text-center w-25">
+
+        <div className="d-none d-lg-block">
+          <p>pc-size</p>
+        </div>
+
+        <div className="d-block d-lg-none">
+          <p>smartPhone size</p>
+        </div>
+
         <div className="mt-4">
           <small
             className="text-warning m-0"