docs: fix doc

Author: lihbr

docs/package.json

@@ -5,7 +5,8 @@
 		"build": "nuxt build",
 		"dev": "nuxt dev",
 		"generate": "nuxt generate",
-		"preview": "nuxt preview"
+		"preview": "nuxt preview",
+		"postinstall": "nuxt prepare"
 	},
 	"devDependencies": {
 		"@nuxt-themes/docus": "^1.15.0",

package.json

@@ -40,7 +40,7 @@
 		"dev:build": "nuxt build playground",
 		"dev:preview": "nuxt preview playground",
 		"dev:generate": "nuxt generate playground",
-		"prepare": "nuxt prepare playground && npm run build",
+		"prepare": "nuxt prepare playground",
 		"release": "npm run test && standard-version && git push --follow-tags && npm run build && npm publish",
 		"release:dry": "standard-version --dry-run",
 		"release:rc": "npm run test && standard-version --release-as major --prerelease rc && git push --follow-tags && npm run build && npm publish --tag rc",