chore: add renovate preset (#13)

Boshen · web-flow · commit 56cb6cb51ba1 · 2026-04-23T23:25:27.000+08:00
## Summary
- Move Renovate config from root `renovate.json` to
`.github/renovate.json`.
- Extend `github&gt;Boshen/renovate`.

## Testing
- Not run; config-only change.
diff --git a/.github/renovate.json b/.github/renovate.json
@@ -1,4 +1,4 @@
 {
   "$schema": "https://docs.renovatebot.com/renovate-schema.json",
-  "extends": ["config:recommended"]
+  "extends": ["github>Boshen/renovate"]
 }

Original file line number	Diff line number	Diff line change
`@@ -1,4 +1,4 @@`
`1`	`1`	`{`
`2`	`2`	`"$schema": "https://docs.renovatebot.com/renovate-schema.json",`
`3`		`- "extends": ["config:recommended"]`
	`3`	`+ "extends": ["github>Boshen/renovate"]`
`4`	`4`	`}`