add markdown dialect (WIP) & add strikethrough and underline font styles

res/layouts/console.xml

@@ -22,6 +22,7 @@
             multiline='true' 
             size-func="gui.get_viewport()[1],40"
             gravity="bottom-left"
+            markdown="true"
         ></textbox>
     </container>
     <container id="editorContainer" pos="0,60" color="#00000080"
@@ -54,6 +55,7 @@
     <textbox id='prompt' 
              consumer='submit' 
              margin='0' 
+             markdown="true"
              gravity='bottom-left' 
              size-func="gui.get_viewport()[1],40"
              onup="on_history_up()"