fix(striker-ui): add formik errors converter

striker-ui/lib/convertFormikErrorsToMessages.ts

@@ -0,0 +1,26 @@
+const convertFormikErrorsToMessages = <Leaf extends string | undefined>(
+  errors: Tree<Leaf>,
+  {
+    build = (mkey, err) => ({ children: err, type: 'warning' }),
+    chain = '',
+  }: {
+    build?: (msgkey: keyof Tree, error: Leaf) => Messages[keyof Messages];
+    chain?: keyof Tree<Leaf>;
+  } = {},
+): Messages =>
+  Object.entries(errors).reduce<Messages>((previous, [key, value]) => {
+    const extended = String(chain).length ? [chain, key].join('.') : key;
+
+    if (typeof value === 'object') {
+      return {
+        ...previous,
+        ...convertFormikErrorsToMessages(value, { chain: extended }),
+      };
+    }
+
+    previous[extended] = build(extended, value);
+
+    return previous;
+  }, {});
+
+export default convertFormikErrorsToMessages;