Add prepare script and bump version to 3.0.5

Author: dsolimando

package.json

@@ -1,9 +1,10 @@
 {
   "name": "@solidx/elemento",
-  "version": "3.0.2",
+  "version": "3.0.5",
   "main": "dist/index.js",
   "types": "dist/index.d.ts",
   "scripts": {
+    "prepare": "npm run build:all",
     "build": "rollup -c",
     "build:types": "tsc --emitDeclarationOnly",
     "build:all": "npm run build:types && npm run build"