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/GoJS-master/learn/kod/config/i18n/en/edit.html

@@ -0,0 +1,72 @@
+<div class="intro-left">
+<div class="tips blue">
+<h1> <span>Rich functionality</span> </h1>
+<p> Code automatically prompts </p>
+<p> Multi-theme: Choose your favorite programming style </p>
+<p> Custom Font: for use at scene </p>
+<p> Multi cursor editing, block editing online programming experience comparable to the sublime </p>
+<p> Block folding, expand; wrap </p>
+<p> Support for multiple tabs, drag the switching sequence; </p>
+<p> Maintaining multiple documents, find and replace; History; </p>
+<p> Auto-complete [], {}, (), &#39;&#39; &#39;&#39; </p>
+<p> Online real-time preview that allows you to fall in love with online programming! </p>
+<p> zendcodeing support, write code eighty </p>
+<p> More features waiting for your discovery ...... </p>
+</div>
+<div class="tips orange">
+<h1> <span>150 kinds of code highlighting</span> </h1>
+<p> Tip: html, JavaScript, css, less, sass, scss </p>
+<p> web development: php, perl, python, ruby, elang, go ... </p>
+<p> Traditional languages: java, c, c ++, c #, actionScript, VBScript ... </p>
+<p> Other: markdown, shell, sql, lua, xml, yaml ... </p>
+</div>
+</div>
+<div class="intro-right">
+<div class="tips green">
+<h1> <span>Shortcut Action</span> </h1>
+<pre> Commonly used shortcuts: 
+ ctrl + s to save 
+ ctrl + a select all ctrl + x Cut 
+ ctrl + c ctrl + v paste copy 
+ ctrl + z Undo Undo Anti ctrl + y 
+ ctrl + f to find replacement ctrl + f + f 
+ win + alt + 0 collapse all win + alt + shift + 0 Expand All 
+ esc [Exit search canceled automatically prompts ...] 
+ ctrl-shift-s Preview 
+ ctrl-shift-e show &amp; Close function 
+</pre>
+<pre> select: 
+ Mouse marquee - drag 
+ shift + home / end / up / left / down / right 
+ shift + pageUp / PageDown flip up and down to select 
+ ctrl + shift + home / end of the current cursor to the beginning and end 
+ alt + mouse to drag the block selection 
+ ctrl + alt + g batch select and enter the current multi-tab editor 
+</pre>
+<pre> Cursor: 
+ home / end / up / left / down / right 
+ ctrl + home / end move the cursor to the document head / tail 
+ ctrl + p Jump to matching tag 
+ pageUp / PageDown cursor up and down 
+ alt + left / right cursor to move to the top of the line 
+ shift + left / right cursor to the end of the line &amp; 
+ ctrl + l to jump to a specific row 
+ ctrl + alt + the up / down (below) increase the cursor 
+</pre>
+<pre> edit: 
+ ctrl + / Comment &amp; uncomment ctrl + alt + a Justified 
+ table tab alignment shift + table overall advancement table 
+ delete delete delete the entire line ctrl + d 
+ ctrl + delete to delete the row on the right word 
+ ctrl / shift + backspace to delete the word on the left 
+ alt + shift + up / down and added to the copy line (below) plane 
+ alt + delete to delete the contents of the right of the cursor 
+ alt + up / down on the current line and the line (next line exchange) 
+ ctrl + shift + d rows copied and added to the following 
+ ctrl + delete to delete the right of the word 
+ ctrl + shift + u converted to lowercase 
+ ctrl + u selected text to uppercase 
+</pre>
+</div>
+</div>
+