Configure Renovate (#29)

* Add renovate.json

* Update renovate.json

---------

Co-authored-by: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com>
Co-authored-by: Malachi Soord <[email protected]>

Author: renovate[bot]

renovate.json

@@ -0,0 +1,9 @@
+{
+  "$schema": "https://docs.renovatebot.com/renovate-schema.json",
+  "rebaseWhen": "behind-base-branch",
+  "dependencyDashboard": true,
+  "labels": ["dependencies", "maintenance"],
+  "commitMessagePrefix": "⬆️",
+  "commitMessageTopic": "{{depName}}",
+  "enabledManagers": ["nvm"]
+}