Apply prettify on json and md files

packages/json-schemas/README.md

@@ -1,5 +1,4 @@
-@0xproject/json-schemas
-------
+## @0xproject/json-schemas
 
 Contains 0x-related json schemas
 
@@ -33,11 +32,13 @@ Please read our [contribution guidelines](../../CONTRIBUTING.md) before getting
 ### Install Dependencies
 
 If you don't have yarn workspaces enabled (Yarn < v1.0) - enable them:
+
 ```bash
 yarn config set workspaces-experimental true
 ```
 
 Then install dependencies
+
 ```bash
 yarn install
 ```