feat: sign and withdraw

Author: marcomariscal

frontend/src/i18n/locales/en-US.json

@@ -358,7 +358,7 @@
     "view-on-explorer": "View on explorer"
   },
   "WithdrawForm": {
-    "need-signature": "Sign",
+    "need-signature": "Sign and Withdraw",
     "withdraw-address": "Enter address to withdraw funds to",
     "address": "Address",
     "fetching-fee-estimate": "Fetching fee estimate...",

frontend/src/i18n/locales/zh-CN.json

@@ -357,7 +357,7 @@
     "view-on-explorer": "在区块链浏览器上查看"
   },
   "WithdrawForm": {
-    "need-signature": "签名",
+    "need-signature": "签名并提取",
     "withdraw-address": "输入提款地址",
     "address": "地址",
     "fetching-fee-estimate": "在接收费用估计...",