feat: 后端全量更新 - 含所有本次需求

- Contract.php: 返回合约账户余额(balance_contract)
- My.php: 地址管理增加BTC/ETH
- AppContract.php: 一键平仓(closeall)
- AppProxy.php: 代理专属注册链接 + 分级权限(L1/L2)
- site.php: 手续费减半(0.018→0.009)
- agent_permission_setup.sql: 代理权限SQL
- crypto_news_crawler.py: 新闻自动采集脚本

public/assets/libs/bootstrap-table/dist/locale/bootstrap-table-zh-TW.min.js

@@ -0,0 +1,7 @@
+/*
+* bootstrap-table - v1.11.1 - 2017-02-22
+* https://github.com/wenzhixin/bootstrap-table
+* Copyright (c) 2017 zhixin wen
+* Licensed MIT License
+*/
+!function(a){"use strict";a.fn.bootstrapTable.locales["zh-TW"]={formatLoadingMessage:function(){return"正在努力地載入資料，請稍候……"},formatRecordsPerPage:function(a){return"每頁顯示 "+a+" 項記錄"},formatShowingRows:function(a,b,c){return"顯示第 "+a+" 到第 "+b+" 項記錄，總共 "+c+" 項記錄"},formatSearch:function(){return"搜尋"},formatNoMatches:function(){return"沒有找到符合的結果"},formatPaginationSwitch:function(){return"隱藏/顯示分頁"},formatRefresh:function(){return"重新整理"},formatToggle:function(){return"切換"},formatColumns:function(){return"列"}},a.extend(a.fn.bootstrapTable.defaults,a.fn.bootstrapTable.locales["zh-TW"])}(jQuery);