[refactor,#59][s]: move packages/portal => examples/catalog as per plan in #59.

What is currently packages/portal is example of a running portal and should move to examples (it will get replaced by an actual portal lib soon).

examples/catalog/components/_shared/Table.tsx

@@ -0,0 +1,36 @@
+interface TableProps {
+  columns: Array<any>;
+  data: Array<any>;
+  className?: string;
+}
+
+const Table: React.FC<TableProps> = ({ columns, data, className }) => {
+  return (
+    <table className={`table-auto w-full text-sm text-left my-6 ${className}`}>
+      <thead>
+        <tr>
+          {columns.map(({ key, name }) => (
+            <th key={key} className="px-4 py-2">
+              {name}
+            </th>
+          ))}
+        </tr>
+      </thead>
+      <tbody>
+        {data.map((item) => (
+          <tr key={item.id}>
+            {columns.map(({ key, render }) => (
+              <td key={key} className="px-4 py-2">
+                {(render && typeof render === 'function' && render(item)) ||
+                  item[key] ||
+                  ''}
+              </td>
+            ))}
+          </tr>
+        ))}
+      </tbody>
+    </table>
+  );
+};
+
+export default Table;