Upgrade hugo to 0.20.2 and added uglyurls = true to fix issues we when upgrading from 0.19 to 0.20 recently, also fixed 404 photos*

docs/documentation/index.html

@@ -10,7 +10,7 @@
     <meta name="viewport" content="width=device-width,user-scalable=no,initial-scale=1,maximum-scale=1">
     <meta http-equiv="X-UA-Compatible" content="IE=10" />
     <title>Documentation - Laradock</title>
-    <meta name="generator" content="Hugo 0.19" />
+    <meta name="generator" content="Hugo 0.20.2" />
 
     
     <meta name="description" content="Full PHP development environment for Docker.">
@@ -218,9 +218,9 @@
 
 
 
-<a  title="Giudes" href="http://laradock.io/guides/">
+<a  title="Guides" href="http://laradock.io/guides/">
 	
-	Giudes
+	Guides
 </a>