feat(bot): initialize renovate bot

this thing is useful for upgrading dependencies through pull requests

.github/renovate.json

@@ -0,0 +1,22 @@
+{
+  "$schema": "https://docs.renovatebot.com/renovate-schema.json",
+  "extends": ["config:base"],
+  "reviewers": ["BayuDC", "gifaldyazkaa"],
+  "assignees": ["BayuDC", "gifaldyazkaa"],
+  "dependencyDashboard": false,
+  "fetchReleaseNotes": "branch",
+  "packageRules": [
+    {
+      "matchPackagePatterns": ["*"],
+      "matchUpdateTypes": ["minor", "patch"],
+      "groupName": "all non-major dependencies",
+      "groupSlug": "all-minor-patch",
+      "labels": ["dependencies"]
+    },
+    {
+      "matchPackagePatterns": ["*"],
+      "matchUpdateTypes": ["major"],
+      "labels": ["dependencies", "breaking"]
+    }
+  ]
+}