InfiniteScroll: Update package name (#16125)

* infinite scroll rename

* infinite scroll rename

* update name config

* update name config

* add missing files

components.json

@@ -75,7 +75,7 @@
   "image": "./packages/image/index.js",
   "calendar": "./packages/calendar/index.js",
   "backtop": "./packages/backtop/index.js",
-  "infiniteScroll": "./packages/infiniteScroll/index.js",
+  "infinite-scroll": "./packages/infinite-scroll/index.js",
   "page-header": "./packages/page-header/index.js",
   "cascader-panel": "./packages/cascader-panel/index.js"
 }

packages/theme-chalk/src/index.scss

@@ -72,6 +72,6 @@
 @import "./image.scss";
 @import "./calendar.scss";
 @import "./backtop.scss";
-@import "./infiniteScroll.scss";
+@import "./infinite-scroll.scss";
 @import "./page-header.scss";
 @import "./cascader-panel.scss";

src/index.js

@@ -76,7 +76,7 @@ import Divider from '../packages/divider/index.js';
 import Image from '../packages/image/index.js';
 import Calendar from '../packages/calendar/index.js';
 import Backtop from '../packages/backtop/index.js';
-import InfiniteScroll from '../packages/infiniteScroll/index.js';
+import InfiniteScroll from '../packages/infinite-scroll/index.js';
 import PageHeader from '../packages/page-header/index.js';
 import CascaderPanel from '../packages/cascader-panel/index.js';
 import locale from 'element-ui/src/locale';