feat: 创建多智能体展示分支

- 包含会展策划智能体配置文件
- 包含项目文档和配置更新
- 准备多智能体协作功能展示

data/智能开发/Agent/assets/font-awesome/less/_icons.less

@@ -0,0 +1,9 @@
+// specific icon class definition
+// -------------------------
+
+/* Font Awesome uses the Unicode Private Use Area (PUA) to ensure screen
+   readers do not read off random characters that represent icons */
+
+each(.fa-icons(), {
+  .@{fa-css-prefix}-@{key}::before { content: @value; }
+});