Configure Renovate (#7)

* Add renovate.json * configure renovate * use range strategy update-lockfile * prettier * prettier Co-authored-by: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com> Co-authored-by: Jimmy Callin <jimmy.callin@gmail.com>

Author: renovate[bot]

renovate.json

@@ -0,0 +1,6 @@
+{
+ "$schema": "https://docs.renovatebot.com/renovate-schema.json",
+ "extends": ["config:base"],
+ "enabledManagers": ["npm"],
+ "rangeStrategy": "update-lockfile"
+}