Replaced create-zip.sh with pure npm command

README.md

@@ -26,5 +26,5 @@ npm run build
 Generate the extension .zip file:
 
 ```bash
-./create_zip.sh
+npm run build-zip
 ```

create_zip.sh

@@ -1,12 +0,0 @@
-#!/bin/bash
-
-VERSION=$(cat package.json | grep -e '"version"\s*:\s*"' | head -1 | sed -r -e 's/.*"version"\s*:\s*"([^"]+).*/\1/')
-
-rm -rf dist dist-zip
-npm run build
-touch dist/style.css
-mkdir dist-zip
-cd dist
-zip -r ../dist-zip/platypush-v$VERSION.zip *
-cd ..
-