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

src/list/test/__snapshots__/demo.spec.js.snap

@@ -0,0 +1,30 @@
+// Jest Snapshot v1, https://goo.gl/fbAQLP
+
+exports[`renders demo correctly 1`] = `
+<div>
+  <div class="van-tabs van-tabs--line">
+    <div class="van-tabs__wrap van-hairline--top-bottom">
+      <div role="tablist" class="van-tabs__nav van-tabs__nav--line">
+        <div role="tab" aria-selected="true" class="van-tab van-tab--active"><span class="van-ellipsis">基础用法</span></div>
+        <div role="tab" class="van-tab"><span class="van-ellipsis">错误提示</span></div>
+        <div class="van-tabs__line" style="width: 0px; transform: translateX(0px) translateX(-50%);"></div>
+      </div>
+    </div>
+    <div class="van-tabs__content">
+      <div role="tabpanel" class="van-tab__pane" style="">
+        <div class="van-pull-refresh">
+          <div class="van-pull-refresh__track" style="transition: 0ms;">
+            <div class="van-pull-refresh__head"></div>
+            <div role="feed" class="van-list">
+              <div class="van-list__placeholder"></div>
+            </div>
+          </div>
+        </div>
+      </div>
+      <div role="tabpanel" class="van-tab__pane" style="display: none;">
+        <!---->
+      </div>
+    </div>
+  </div>
+</div>
+`;