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

themes/docdock/exampleSite/content/create-page/myslide.md

@@ -0,0 +1,48 @@
++++
+title = "My Slide ! fullscreen"
+date = "2017-04-24T18:36:24+02:00"
+type="slide"
+hidden=true
+
+theme = "league"
+[revealOptions]
+transition= 'concave'
+controls= true
+progress= true
+history= false
+center= true
++++
+
+# In the morning
+
+___
+
+## Getting up
+
+- Turn off alarm
+- Get out of bed
+
+___
+
+## Breakfast
+
+- Eat eggs
+- Drink coffee
+
+---
+
+# In the evening
+
+___
+
+## Dinner
+
+- Eat spaghetti
+- Drink wine
+
+___
+
+## Going to sleep
+
+- Get in bed
+- Count sheep