add rust for syntax highlighter

cathieyun · cathieyun · commit 129870fc5f11 · 2018-11-06T14:24:47.000-08:00
diff --git a/README.md b/README.md
@@ -78,7 +78,7 @@ deployment.  The development roadmap can be found in the
 
 ## Example
 
-```
+```rust
 # extern crate rand;
 # use rand::thread_rng;
 #

Original file line number	Diff line number	Diff line change
`@@ -78,7 +78,7 @@ deployment. The development roadmap can be found in the`
`78`	`78`
`79`	`79`	`## Example`
`80`	`80`
`81`		-```
	`81`	+```rust
`82`	`82`	`# extern crate rand;`
`83`	`83`	`# use rand::thread_rng;`
`84`	`84`	`#`