feat(example support OAuth): example add method about OAuth

Author: Littleor

example/basic-dapp/index.html

@@ -51,7 +51,8 @@
         Wallet
       </button>
       <footer>
-        Address: <span id="address">N/A</span>
+        <p>Address: <span id="address">N/A</span></p>
+        <p>OAuth Code: <span id="oauth_code">N/A</span></p>
       </footer>
     </article>
     <article>

example/basic-dapp/index.js

@@ -491,12 +491,17 @@ async function walletInitialized() {
 
   const deployContract = getElement('deploy_contract')
 
-  function authed(address) {
+  async function authed(address) {
     if (!address || address === '') {
       return unAuthed()
     }
+    const oauthCode = await provider.request({
+      method: 'anyweb_oauth',
+    })
     getElement('address').innerHTML = address
+    getElement('oauth_code').innerHTML = oauthCode
     console.log('authed address: ', address)
+    console.log('OAuth Code: ', oauthCode)
     sendNativeTokenButton.disabled = false
     approveButton.disabled = false
     transferFromButton.disabled = false