Fixed typo attachemnt to attachment

build/less/miscellaneous.less

@@ -476,7 +476,7 @@
   margin-bottom: 10px;
   background: #f7f7f7;
 
-  .attachemnt-img {
+  .attachment-img {
     max-width: 100px;
     max-height: 100px;
     height: auto;

dist/css/AdminLTE.css

@@ -4618,7 +4618,7 @@ table.text-center th {
   margin-bottom: 10px;
   background: #f7f7f7;
 }
-.attachment-block .attachemnt-img {
+.attachment-block .attachment-img {
   max-width: 100px;
   max-height: 100px;
   height: auto;

pages/widgets.html

@@ -1221,7 +1221,7 @@
 
                   <!-- Attachment -->
                   <div class="attachment-block clearfix">
-                    <img class="attachemnt-img" src="../dist/img/photo1.png" alt="attachement image">
+                    <img class="attachment-img" src="../dist/img/photo1.png" alt="attachment image">
                     <div class="attachment-pushed">
                       <h4 class="attachment-heading"><a href="http://www.lipsum.com/">Lorem ipsum text generator</a></h4>
                       <div class="attachment-text">