Added Document Revsion placeholder under document details also merged card and card-body div class to reduce indentation better code readability

client_document_details.php

@@ -49,8 +49,7 @@ $document_folder_id = intval($row['document_folder_id']);
   </div>
 
 	<div class="col-md-3 d-print-none">
-    <div class="card bg-light">
-      <div class="card-body">
+    <div class="card card-body bg-light">
       <button type="button" class="btn btn-primary btn-block" data-toggle="modal" data-target="#editDocumentModal<?php echo $document_id; ?>">
         <i class="fas fa-fw fa-edit mr-2"></i>Edit
       </button>
@@ -60,7 +59,8 @@ $document_folder_id = intval($row['document_folder_id']);
       </button>
       <button type="button" class="btn btn-secondary btn-block" onclick="window.print();"><i class="fas fa-fw fa-print mr-2"></i>Print</button>
       <hr>
-        <h5>Related</h5>
+      <h5 class="mb-0">Related</h5>
+      <hr>
       <h6>
         <i class="fas fa-fw fa-paperclip text-secondary mr-2"></i>Files
         <button type="button" class="btn btn-link btn-sm" data-toggle="modal" data-target="#linkFileToDocumentModal">
@@ -227,6 +227,9 @@ $document_folder_id = intval($row['document_folder_id']);
           ?>
       </ul>
     </div>
+
+    <div class="card card-body bg-light">
+      <h6><i class="fas fa-history mr-2"></i>Revisions</h6>
     </div>
 
 	</div>