move teaching tips to Instructor Guide

TEACHING.md

-# Teaching tips
-
-## White-boards
-
-- Try to frequently use white-board, because:
-	- It makes teaching more interactive.
-	- It slows down teaching, because you have to draw.
-- Make sure you have good pens with high contrast.
-- Have two white-boards:
-	- One for tidy concept maps.
-	- One for messy notes.
-
-## Stand
-
-- Try not to sit, because:
-	- Teaching will be more dynamic.
-	- People can see and hear you better.
-- Construct something to have your computer up, such that you can stand in front of it.
-

_extras/guide.md

 ---
 title: "Instructor Notes"
+layout: page
 ---
-FIXME
+
+## White-boards
+
+- Try to frequently use white-board, because:
+	- It makes teaching more interactive.
+	- It slows down teaching, because you have to draw.
+- Make sure you have good pens with high contrast.
+- Have two white-boards:
+	- One for tidy concept maps.
+	- One for messy notes.
+
+## Stand
+
+- Try not to sit, because:
+	- Teaching will be more dynamic.
+	- People can see and hear you better.
+- Construct something to have your computer up, such that you can stand in front of it.
 
 {% include links.md %}