Convert docdock theme from submodule to native files and fix Hugo compatibility

themes/docdock/layouts/shortcodes/emoticon.html

@@ -0,0 +1,29 @@
+{{ $name := .Get "name"}}
+
+{{ if eq "smile" $name}}
+😀
+{{ else if eq "sad" $name}}
+🙁
+{{ else if eq "cheeky" $name}}
+😛
+{{ else if eq "laugh" $name}}
+😃
+{{ else if eq "wink" $name}}
+😉
+{{ else if eq "thumbs-up" $name}}
+<span class="glyphicon glyphicon-thumbs-up" aria-hidden="true"></span>
+{{ else if eq "thumbs-down" $name}}
+<span class="glyphicon glyphicon-thumbs-down" aria-hidden="true"></span>
+{{ else if eq "information" $name}}
+<span class="glyphicon glyphicon-info-sign" aria-hidden="true"></span>
+{{ else if eq "tick" $name}}
+<span class="glyphicon glyphicon-ok-circle" aria-hidden="true"></span>
+{{ else if eq "cross" $name}}
+<span class="glyphicon glyphicon-remove-circle" aria-hidden="true"></span>
+{{ else if eq "warning" $name}}
+<span class="glyphicon glyphicon-warning-sign" aria-hidden="true"></span>
+{{else}}
+( Emoticon: {{$name}} )
+{{end}}
+
+{{.Inner}}