refactoring: account form.

refactoring: expense form.
refactoring: manual journal form.
refactoring: invoice form.

client/src/components/Datatable/TableFooter.js

@@ -0,0 +1,29 @@
+import React, { useContext } from 'react';
+import TableContext from './TableContext';
+
+/**
+ * Table footer.
+ */
+export default function TableFooter() {
+  const {
+    table: { footerGroups },
+  } = useContext(TableContext);
+
+  return (
+    <div class="tfooter">
+      {footerGroups.map((group) => (
+        <div {...group.getFooterGroupProps({ className: 'tr' })}>
+          {group.headers.map((column) => (
+            <div
+              {...column.getFooterProps({
+                className: 'td',
+              })}
+            >
+              {column.render('Footer')}
+            </div>
+          ))}
+        </div>
+      ))}
+    </div>
+  );
+}