Rename readme.md to README.md

readme.md → README.md

@@ -25,4 +25,4 @@ additional configuration information is available in the usage guide.
 
 The `note()` function provides the ability to produce sidenotes next to the main body content. It can be called simply with `#note[...]`. Additionally, `wideblock()` expands the width of its content to fill the full 6.5-inch-wide space, rather than be compressed in to a four-inch column. It is simply called with `wideblock[...]`.
 
-![](thumbnail.png)
+![](thumbnail.png)