Separate Electron advice in README

Author: axic

README.md

@@ -87,6 +87,8 @@ The `compile()` method always returns an object, which can contain `errors`, `so
 
 Starting from version 0.4.11 there is a new entry point named `compileStandardWrapper()` which supports Solidity's [standard JSON input and output](https://solidity.readthedocs.io/en/develop/using-the-compiler.html#compiler-input-and-output-json-description). It also maps old compiler output to it.
 
+### Using with Electron
+
 **Note:**
 If you are using Electron, `nodeIntegration` is on for `BrowserWindow` by default. If it is on, Electron will provide a `require` method which will not behave as expected and this may cause calls, such as `require('solc')`, to fail.