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

pages_promotion/fenxiao/promote_code.vue

@@ -11,22 +11,22 @@
 		</swiper>
 
 		<!-- #ifdef H5 -->
-		<view class="tips">长按识别图中二维码</view>
+		<view class="tips">{{ $lang('longPressTip') }}</view>
 		<!--  #endif -->
 
 		<!-- #ifdef MP -->
-		<view class="btn color-base-bg color-base-border" @click="save">保存海报</view>
+		<view class="btn color-base-bg color-base-border" @click="save">{{ $lang('savePoster') }}</view>
 		<!--  #endif -->
 
 		<uni-popup ref="popupDialog" :custom="true" :mask-click="false">
 			<view class="dialog-popup">
-				<view class="title">提示</view>
-				<view class="message">您拒绝了保存图片到相册的授权请求，无法保存图片到相册，如需正常使用，请授权之后再进行操作。</view>
+				<view class="title">{{ $lang('dialogTitle') }}</view>
+				<view class="message">{{ $lang('authDeniedMessage') }}</view>
 				<view class="action-wrap">
-					<view @click="closeDialog">取消</view>
+					<view @click="closeDialog">{{ $lang('cancel') }}</view>
 					<view>
 						<button type="default" open-type="openSetting" @opensetting="closeDialog"
-							hover-class="none">立即授权</button>
+							hover-class="none">{{ $lang('authorizeNow') }}</button>
 					</view>
 				</view>
 			</view>
@@ -95,7 +95,7 @@ export default {
 							filePath: res.tempFilePath,
 							success: () => {
 								this.$util.showToast({
-									title: '保存成功'
+									title: this.$lang('saveSuccess')
 								});
 							},
 							fail: res => {
@@ -104,20 +104,20 @@ export default {
 									this.$refs.popupDialog.open();
 								} else {
 									this.$util.showToast({
-										title: '保存失败，请稍后重试'
+										title: this.$lang('saveFail')
 									});
 								}
 							}
 						});
 					} else {
 						this.$util.showToast({
-							title: '下载失败'
+							title: this.$lang('downloadFail')
 						});
 					}
 				},
 				fail: res => {
 					this.$util.showToast({
-						title: '下载失败'
+						title: this.$lang('downloadFail')
 					});
 				}
 			});
@@ -136,7 +136,7 @@ export default {
 				});
 			} catch {
 				this.$util.showToast({
-					title: '海报生成失败'
+					title: this.$lang('posterGenerateFail')
 				});
 			}
 		},
@@ -149,7 +149,7 @@ export default {
 		setTimeout(() => {
 			if (!this.addonIsExist.fenxiao) {
 				this.$util.showToast({
-					title: '商家未开启分销',
+					title: this.$lang('merchantNotOpenFenxiao'),
 					mask: true,
 					duration: 2000
 				});