format readme

README.md

@@ -6,14 +6,14 @@ rust-rocksdb
 * status: minimal functionality with poor style and an annoying interface
 
 ### running
-1. get rocksdb
+- get rocksdb
 ```
 git clone https://github.com/facebook/rocksdb
 cd rocksdb
 make shared_lib
 ```
-2. run tests
+- run tests
 ```
 LD_PRELOAD=/path/to/rocksdb/librocksdb.so cargo test
 ```
-3. enjoy (as much as you can with such a poor current library!  stay tuned!)
+- enjoy (as much as you can with such a poor current library!  stay tuned!)