docs: add a troubleshooting section on creating a payment session with zero total (#12974)

www/apps/resources/app/troubleshooting/payment/page.mdx

@@ -0,0 +1,11 @@
+import ZeroTotalError from "../_sections/payment/zero-total.mdx"
+
+export const metadata = {
+  title: `Payment Provider Errors`,
+}
+
+# {metadata.title}
+
+## Unknown Error for Zero Cart Total
+
+<ZeroTotalError />