Add images and author to README

Author: burodepeper

glyphs/u0066-knife/README

@@ -1,7 +1,14 @@
 Regular:
+https://user-images.githubusercontent.com/3703530/33773450-32a24f74-dc38-11e7-8280-c1b1ceebdd27.png
 
 Italic:
+https://user-images.githubusercontent.com/3703530/33773453-35b8aea6-dc38-11e7-88dc-8b3cbd2f5250.png
 
 Bold:
+https://user-images.githubusercontent.com/3703530/33773455-38bb2e76-dc38-11e7-9ecb-7f46363ab886.png
 
 Bold Italic:
+https://user-images.githubusercontent.com/3703530/33773459-3ae66ac6-dc38-11e7-94e4-d8341f4270c7.png
+
+Author:
+David van Gemeren <@burodepeper>