ci(renovate): configure Renovate (#33)

* Add renovate.json

* ci(renovate): use presets

---------

Co-authored-by: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com>
Co-authored-by: Joshua Tang <joshuaystang@gmail.com>

renovate.json

@@ -0,0 +1,8 @@
+{
+  "$schema": "https://docs.renovatebot.com/renovate-schema.json",
+  "extends": [
+    "github>zeshuaro/renovate-configs",
+    "github>zeshuaro/renovate-configs:package",
+    "github>zeshuaro/renovate-configs:javascript"
+  ]
+}