[improvement] rename packages dir to src (#3659)

src/progress/demo/index.vue

@@ -0,0 +1,60 @@
+<template>
+  <demo-section>
+    <demo-block :title="$t('basicUsage')">
+      <van-progress :percentage="50" />
+    </demo-block>
+
+    <demo-block :title="$t('title2')">
+      <van-progress
+        inactive
+        :percentage="50"
+      />
+    </demo-block>
+
+    <demo-block :title="$t('title3')">
+      <van-progress
+        color="#f2826a"
+        :percentage="25"
+        :pivot-text="$t('orange')"
+      />
+      <van-progress
+        color="#f44"
+        :percentage="50"
+        :pivot-text="$t('red')"
+      />
+      <van-progress
+        :percentage="75"
+        :pivot-text="$t('purple')"
+        pivot-color="#7232dd"
+        color="linear-gradient(to right, #be99ff, #7232dd)"
+      />
+    </demo-block>
+  </demo-section>
+</template>
+
+<script>
+export default {
+  i18n: {
+    'zh-CN': {
+      title2: '置灰',
+      title3: '样式定制'
+    },
+    'en-US': {
+      title2: 'Inactive',
+      title3: 'Custom Style'
+    }
+  }
+};
+</script>
+
+<style lang="less">
+.demo-progress {
+  .van-progress {
+    margin: 20px;
+
+    &:first-of-type {
+      margin-top: 5px;
+    }
+  }
+}
+</style>