feat(lab): Add support for multiple versions in the lab

packages/freesewing.lab/hooks/useVersion.js

@@ -0,0 +1,16 @@
+import { useRouter } from 'next/router'
+
+export const defaultVersion = 'next'
+
+const useVersion = () => {
+  const { pathname } = useRouter()
+  const chunks = pathname.split('/')
+  const version = (chunks[1] === 'v')
+    ? chunks[2]
+    : defaultVersion
+
+  return version
+}
+
+export default useVersion
+