Add donation address (#65)

wwwroot/index.html

@@ -434,17 +434,34 @@ <h3 class="title-huge">WASABI WALLET</h3>
                     </div>
                 </div>
             </div>
+            <div class="container mt-5">
+                <div class="row">
+                  <div class="col-lg-10 offset-lg-1">
+                    <div class="download-box" style="background: rgba(255, 255, 255, 0.1); border-radius: 12px; padding: 24px;">
+                      <div class="system-text mb-3">
+                        <a href="https://docs.wasabiwallet.io/FAQ/FAQ-Contribution.html#why-should-i-donate">DONATE</a> USING <a href="https://docs.wasabiwallet.io/FAQ/FAQ-UseWasabi.html#what-are-silent-payments" class="text-decoration-none">SILENT PAYMENTS</a>
+                      </div>
+                      <div style="position: relative;">
+                        <div style="word-break: break-all; font-family: monospace; background: rgba(0, 0, 0, 0.2); padding: 16px; border-radius: 8px;">
+                          sp1qq2exrz9xjumnvujw7zmav4r3vhfj9rvmd0aytjx0xesvzlmn48ctgqnqdgaan0ahmcfw3cpq5nxvnczzfhhvl3hmsps683cap4y696qecs7wejl3
+                        </div>
+                      </div>
+                    </div>
+                  </div>
+                </div>
+            </div>
         </section>
     </div>
     <footer>
         <div class="container">
             <div class="row">
                 <div class="col-lg-auto py-2">
-                   <span class="white-text">Wasabi Wallet</span>
+                    <span class="white-text">Wasabi Wallet</span>
                 </div>
                 <div class="col-lg py-2 text-lg-end">
                     <a href="contribution.html" class="d-inline-block me-3">Contribution</a>
                     <a href="https://wasabiwallet.io/swagger/index.html" class="d-inline-block me-3">API</a>
+                    </div>
                 </div>
             </div>
         </div>