refactor(i18n): 扁平化多语言文件结构，移除嵌套的components对象

统一调整所有组件级多语言配置，将原有的components.[componentName]嵌套结构改为直接顶层键值对，简化语言包的调用层级

lang/en-us/components/mescroll.js

@@ -1,22 +1,17 @@
 export const lang = {
 	// mescroll pull-down refresh / pull-up load component
-	components: {
-		mescroll: {
-			// pull-down refresh text
-			down: {
-				textInOffset: 'Pull to refresh',
-				textOutOffset: 'Release to update',
-				textLoading: 'Loading ...',
-			},
-			// pull-up load text
-			up: {
-				textLoading: 'Loading ...',
-				textNoMore: '-- END --',
-			},
-			// empty layout tip
-			empty: {
-				tip: '~ No data ~',
-			},
+		down: {
+			textInOffset: 'Pull to refresh',
+			textOutOffset: 'Release to update',
+			textLoading: 'Loading ...',
+		},
+		// pull-up load text
+		up: {
+			textLoading: 'Loading ...',
+			textNoMore: '-- END --',
+		},
+		// empty layout tip
+		empty: {
+			tip: '~ No data ~',
 		},
-	},
 }