Fix the following shortcodes to work with new hugo ver: fileTree, ticks

layouts/shortcodes/fileTree.html

@@ -1,3 +1,3 @@
 <div class="file-tree">
-  {{ .Inner }}
+  {{ .Inner | markdownify }}
 </div>

layouts/shortcodes/ticks.html

@@ -1,3 +1,3 @@
 <div class="ticks">
-  {{ .Inner }}
+  {{ .Inner | markdownify }}
 </div>