Move lint command to package root as workspace command

Co-authored-by: Boshen <1430279+Boshen@users.noreply.github.com>

Author: Copilot

apps/dashboard/package.json

@@ -6,7 +6,6 @@
   "scripts": {
     "dev": "vite",
     "build": "tsc -b && vite build",
-    "lint": "oxlint --config ../../.oxlintrc.json .",
     "preview": "vite preview",
     "clean": "rm -rf dist"
   },

package.json

@@ -6,7 +6,7 @@
   "scripts": {
     "dev": "pnpm --filter dashboard dev",
     "build": "pnpm -r build",
-    "lint": "pnpm -r lint",
+    "lint": "oxlint .",
     "test": "pnpm -r test",
     "clean": "pnpm -r clean",
     "build-deploy": "pnpm lint && pnpm build"