add BIP47 payment code and PayNym

static/donate.html

@@ -93,6 +93,18 @@
                     </a>
                 </div>
 
+                <p>You can donate to the following BIP47 payment code (stealth address) or PayNym
+                if your wallet supports it:</p>
+
+                <div class="coin-address">
+                    <a href="bitcoin:PM8TJKmhJNQX6UTFagyuBk8UGmwKM6yDovEokpHBscPgP3Ac7WdK5zaQKh5XLSawyxiGYZS2a7HkAoeL6oHg7Ahn1VXX888yRG4PwF1dojouPtW7tEHT" rel="nofollow">
+                        <img src="/donate-bitcoin-bip47.png" alt="Bitcoin BIP47 payment code QR code"/>
+                        <p>PM8TJKmhJNQX6UTFagyuBk8UGmwKM6yDovEokpHBscPgP3Ac7WdK5zaQKh5XLSawyxiGYZS2a7HkAoeL6oHg7Ahn1VXX888yRG4PwF1dojouPtW7tEHT</p>
+                    </a>
+                </div>
+
+                <p>PayNym: <var>+wildtooth299</var></p>
+
                 <p>We recommend using the lowest fee tier recommended by your wallet since the
                 transaction taking hours or even a couple days is fine. An even lower custom fee
                 isn't recommended unless you're going to monitor it and bump the fee with RBF.</p>