move styles and js to the root directory

styles/elements/_tables.scss

@@ -0,0 +1,92 @@
+/*
+ * Tables
+ * @see https://designsystem.digital.gov/components/tables/
+ * @source https://github.com/uswds/uswds/blob/develop/src/stylesheets/elements/_table.scss
+ */
+
+ table {
+  @include panel-margin;
+  min-width: 100%;
+
+  tbody {
+    tr {
+      th,
+      td {
+        @include block-list-item;
+        display: table-cell;
+        white-space: nowrap;
+        border-bottom-style: dashed;
+        border-top: none;
+
+        &:last-child {
+          border-bottom-style: dashed;
+        }
+      }
+
+      &:last-child {
+        td,
+        th {
+          border-bottom-style: solid;
+        }
+      }
+
+      .table-cell--align-right {
+        text-align: right;
+      }
+
+      .table-cell--shrink {
+        width: 1%;
+      }
+
+      .table-cell--expand {
+        width: 100%;
+      }
+
+      .table-cell--hide-small {
+        display: none;
+
+        @include media($medium-screen) {
+          display: table-cell;
+        }
+      }
+    }
+  }
+
+  thead {
+    tr {
+      th {
+        @include block-list-header;
+        display: table-cell;
+      }
+    }
+  }
+
+  @at-root .panel #{&} {
+    tr:last-child td {
+      border-bottom: 0;
+    }
+
+    &:last-child {
+      margin-bottom: 0;
+    }
+  }
+}
+
+.responsive-table-wrapper {
+  overflow-x: auto;
+  @include panel-margin;
+
+  table {
+    margin-bottom: 0;
+  }
+
+  @at-root .panel #{&} {
+    tr:last-child td {
+      border-bottom: 0;
+    }
+
+    &:last-child {
+      margin-bottom: 0;
+    }
+  }
+}