Update site build and ncc

package.json

@@ -14,14 +14,14 @@
     "webassert": "3.0.2"
   },
   "devDependencies": {
+    "@siteup/cli": "^1.3.3",
+    "@vercel/ncc": "^0.33.1",
     "auto-changelog": "^2.0.0",
-    "@zeit/ncc": "^0.22.0",
-    "budo": "^11.6.3",
-    "cpx2": "^4.0.0",
+    "browser-sync": "^2.27.7",
     "dependency-check": "^4.1.0",
     "gh-release": "^6.0.0",
-    "npm-run-all": "^4.1.5",
-    "sitedown": "^5.0.0",
+    "mkdirp": "^1.0.4",
+    "npm-run-all2": "^5.0.2",
     "standard": "^16.0.0"
   },
   "homepage": "https://github.com/bcomnes/deploy-to-neocities#readme",
@@ -36,8 +36,7 @@
   "scripts": {
     "build": "npm run clean && run-p build:*",
     "build:action": "rm -rf dist && ncc build index.js -o dist -s",
-    "build:md": "sitedown . -b public -l layout.html",
-    "build:static": "cpx '**/*.{png,ico}' public --ignore node_modules",
+    "build:site": "siteup --src . --dest public",
     "clean": "rimraf public && mkdirp public",
     "release": "git push --follow-tags && gh-release -y",
     "start": "npm run watch",
@@ -48,9 +47,8 @@
     "version:build": "npm run build:action && git add dist",
     "version:changelog": "auto-changelog -p --template keepachangelog auto-changelog --breaking-pattern 'BREAKING CHANGE:' && git add CHANGELOG.md",
     "watch": "npm run clean && run-p watch:*",
-    "watch:js": "budo --dir public --live --open",
-    "watch:md": "npm run build:md -- -w",
-    "watch:static": "npm run build:static -- --watch"
+    "watch:serve": "browser-sync start --server 'public' --files 'public'",
+    "watch:site": "npm run build:site -- -w"
   },
   "standard": {
     "ignore": [