Including occupied username and renaming DB field

Now it shows the username of who is using an item.
Item db field 'usedBy' was renamed to 'used_by' to keep consistence.

resources/views/home/usedItem.blade.php

@@ -0,0 +1,21 @@
+@if ($item->used_by == \Auth::id())
+    <span class="float-right">
+        <form action="/return" method="POST">
+            {{ csrf_field() }}
+            <input type="hidden" name="item" value="{{$item->id}}"> 
+            <button type="submit" class="btn btn-sm btn-danger">Return It</button>
+        </form>
+    </span>
+    <span class="float-right mr-3"><em>{{\Carbon\Carbon::parse($item->updated_at)->diffForHumans()}}</em></span>
+@else
+    <span class="float-right">
+        <form action="/alert" method="POST">
+            {{ csrf_field() }}
+            <input type="hidden" name="item" value="{{$item->id}}"> 
+            <button type="submit" class="btn btn-sm btn-outline-secondary">Alert me</button>
+        </form>
+    </span>
+    <span class="float-right mr-3">
+        <em>{{str_limit($users[$item->used_by], 15, '...')}} ({{$item->updated_at->diffForHumans()}})</em>
+    </span>
+@endif