chore: add benchmark tests and notes

fix formatting of readme

Author: evilmonkeyinc

benchmark/README.md

@@ -16,11 +16,11 @@ go test -bench=. -cpu=1 -benchmem -count=1 -benchtime=100x
 
 ## Libraries
 
-`github.com/PaesslerAG/jsonpath v0.1.1`
-`github.com/bhmj/jsonslice v1.1.2`
-`github.com/evilmonkeyinc/jsonpath v0.7.0`
-`github.com/oliveagle/jsonpath v0.0.0-20180606110733-2e52cf6e6852`
-`github.com/spyzhov/ajson v0.7.0`
+- `github.com/PaesslerAG/jsonpath v0.1.1`  
+- `github.com/bhmj/jsonslice v1.1.2`  
+- `github.com/evilmonkeyinc/jsonpath v0.7.0`  
+- `github.com/oliveagle/jsonpath v0.0.0-20180606110733-2e52cf6e6852`  
+- `github.com/spyzhov/ajson v0.7.0`  
 
 ## TL;DR