Update README.md formatting in druid wasm examples

druid/examples/wasm/README.md

@@ -14,6 +14,7 @@ First build with
 ```
 
 This step has two main functions:
+
     1. It generates an HTML document for each of the `druid` examples with a script that
        calls the appropriate function in the JavaScript module exposing the raw WASM.
     2. It builds the WASM binary which exposes all functions annotated with `#[wasm_bindgen]`.