Add missing space (#511)

[ci skip]

README.md

@@ -1,6 +1,6 @@
 # Shakapacker (v8)
 
-_Official, actively maintained successor to [rails/webpacker](https://github.com/rails/webpacker).ShakaCode stands behind the long-term maintenance and development of this project for the Rails community._
+_Official, actively maintained successor to [rails/webpacker](https://github.com/rails/webpacker). ShakaCode stands behind the long-term maintenance and development of this project for the Rails community._
 
 * ⚠️ See the [6-stable](https://github.com/shakacode/shakapacker/tree/6-stable) branch for Shakapacker v6.x code and documentation. :warning:
 * See [V8 Upgrade](./docs/v8_upgrade.md) for upgrading from the v7 release.