build fonts with ss07 for diagonals, update readme

Author: arrowtype

README.md

@@ -143,7 +143,7 @@ Things to be aware of:
 
 Recursive is built with a number of OpenType features that make it simple to control a few handy typographic features.
 
-![OpenType Features in Recursive](docs/001-opentype_features/recursive-ot_features.png)
+![OpenType Features in Recursive](specimens/repo-artwork/recursive-v1.064-opentype_features.png)
 
 
 ### Activating OpenType Features in Code Editors