chore: add dev step to core package

Author: bdbch

package.json

@@ -11,6 +11,7 @@
     "url": "git+https://github.com/tsky-dev/tsky.git"
   },
   "scripts": {
+    "dev": "pnpm run --filter @tsky/core dev",
     "build": "pnpm run --filter @tsky/core build",
     "docs:dev": "pnpm run --filter @tsky/docs dev",
     "docs:build": "pnpm run --filter @tsky/docs build",

packages/core/package.json

@@ -23,6 +23,7 @@
   "types": "dist/index.d.ts",
   "files": ["dist"],
   "scripts": {
+    "dev": "pkgroll --watch",
     "build": "pkgroll",
     "test": "vitest",
     "test:typescript": "tsc --noEmit"