README: Rename command « build:env » to « build:dev »

Kocal · Kocal · commit 1db7c4507865 · 2017-11-16T07:41:26.000+01:00
diff --git a/README.md b/README.md
@@ -30,7 +30,7 @@ $ npm run build
 
 Build the extension into `dist` folder for **production**.
 
-### `npm run build:env` 
+### `npm run build:dev` 
 
 Build the extension into `dist` folder for **development**.
 
