feat: Add comprehensive staking interface to PaperclipWallet

- Add staking RPC methods for validators, delegation, and rewards
- Implement complete staking UI with validator selection and delegation
- Add reward claiming functionality and validator creation interface
- Include professional staking dashboard with real-time data
- Integrate staking navigation into existing wallet interface

index.html

@@ -19,6 +19,7 @@
   <link rel="stylesheet" href="./assets/styles/style.css">
   <link rel="stylesheet" href="./assets/styles/forms.css">
   <link rel="stylesheet" href="./assets/styles/about.css">
+  <link rel="stylesheet" href="./assets/styles/staking.css">
   <!-- Insert this line above script imports -->
   <script>
     if (typeof module === 'object') {
@@ -124,6 +125,10 @@
           <i class="fas fa-exchange-alt fa-1x"></i>
           <span class="txlist"> Transactions </span>
         </a>
+        <a class="item" style="padding-top: 30px; padding-left: 13px" id="mainNavBtnStaking" href="#" data-tippy="Staking & Delegation" data-tippy-delay="100">
+          <i class="fas fa-coins fa-1x"></i>
+          <span class="staking"> Staking </span>
+        </a>
         <a class="item" style="padding-top: 30px; padding-left: 13px" id="mainNavBtnMarkets" href="#" data-tippy="Markets" data-tippy-delay="100">
           <i class="fas fa-poll fa-1x"></i>
           <span class="Markets"> Market </span>
@@ -157,6 +162,7 @@
       require('./renderer/addressBook.js');
       require('./renderer/transactions.js');
       require('./renderer/tableTransactions.js');
+      require('./renderer/staking.js');
     </script>
   </div>