Update readme

Author: lnbc1QWFyb24

README.md

@@ -174,15 +174,15 @@ The wallet select modules are functions that return a wallet object. The followi
 
 - `metamask`
 - `dapper`
-- `walletConnect`
+- `walletConnect` (requires initialization)
 - `portis` (requires initialization)
 - `fortmatic` (requires initialization)
 
 #### Mobile Wallets
 
 - `trust`
 - `coinbase`
-- `walletConnect`
+- `walletConnect` (requires initialization)
 - `portis` (requires initialization)
 - `fortmatic` (requires initialization)
 
@@ -216,6 +216,14 @@ fortmatic({
 })
 ```
 
+`walletConnect` Initialization:
+
+```javascript
+fortmatic({
+  infuraKey: String
+})
+```
+
 #### Example
 
 ```javascript