feat: add and optimize multiple multilingual language packs

1. 新增拼团、砍价、分销、支付、地址、账户等多业务场景的中英文本地化文案
2. 替换项目中硬编码的文本为多语言调用，统一前端页面文案展示
3. 新增多个业务组件的国际化语言配置文件

lang/en-us/components-diy/diy-pintuan.js

@@ -0,0 +1,16 @@
+export const lang = {
+	// Header subtitle: participating people count (style-2)
+	peopleParticipating: 'participating',
+
+	// Header subtitle: successful group buy people count
+	peopleGroupSuccess: 'joined successfully',
+
+	// Group buy people count tag
+	peopleGroup: '{num}-person group',
+
+	// Sold count
+	soldCount: '{num} sold',
+
+	// Join group button
+	joinGroup: 'Join Group',
+}