move styles and js to the root directory

styles/elements/_block_lists.scss

@@ -0,0 +1,90 @@
+@mixin block-list {
+  @include panel-margin;
+
+  > ul {
+    list-style: none;
+    margin: 0;
+    padding: 0;
+  }
+}
+
+@mixin block-list-header {
+  @include panel-base;
+  @include panel-theme-default;
+  padding: $gap * 2;
+  display: flex;
+  flex-direction: row;
+  justify-content: space-between;
+}
+
+@mixin block-list__title {
+  @include h4;
+  margin: 0;
+}
+
+@mixin block-list__footer {
+  @include panel-base;
+  @include panel-theme-default;
+  padding: $gap * 2;
+  display: flex;
+  flex-direction: row-reverse;
+  justify-content: space-between;
+
+  .icon-link {
+    &:first-child {
+      margin-right: -$gap;
+    }
+  }
+}
+
+@mixin block-list-item {
+  @include panel-base;
+  margin: 0;
+  padding: $gap * 2;
+  border-top: 0;
+  border-bottom: 1px dashed $color-gray-light;
+
+  @at-root li#{&} {
+    &:last-child {
+      border-bottom-style: solid;
+    }
+  }
+}
+
+
+.block-list {
+  @include block-list;
+
+  .icon-link {
+    margin: -$gap 0;
+  }
+
+  .icon-link,
+  .label {
+    &:first-child {
+      margin-left: -$gap;
+    }
+
+    &:last-child {
+      margin-right: -$gap;
+    }
+
+  }
+}
+
+.block-list__header {
+  @include block-list-header;
+}
+
+.block-list__title {
+  @include block-list__title;
+}
+
+.block-list__item {
+  @include block-list-item;
+}
+
+.block-list__footer {
+  @include block-list__footer;
+  border-top: 0;
+}