Adds clean and release in npm

.goreleaser.yml

@@ -1,6 +1,6 @@
 before:
   hooks:
-    - rm -rf static
+    - npm run clean
     - npm run build
     - packr
 builds:

package.json

@@ -7,7 +7,8 @@
   "start": "concurrently 'go run main.go' 'npm run watch-assets'",
   "watch-assets": "parcel watch assets/index.html -d static",
   "build": "parcel build assets/index.html -d static",
-  "clean": "rm -rf static"
+  "clean": "rm -rf static",
+  "release": "goreleaser --rm-dist"
  },
  "repository": {
   "type": "git",