Merge pull request #8 from WhyThat/chore/ensure-build

chore: fix publish

Author: Spyna

.npmignore

@@ -6,6 +6,8 @@
   "scripts": {
     "start": "node scripts/start.js",
     "build": "node scripts/build.js",
+    "prepublishOnly": "CI=true npm run test",
+    "prepare": "npm run build",
     "demo": "node scripts/demo.js",
     "test": "node scripts/test.js --env=jsdom",
     "prettier": "prettier --single-quote --write 'src/**/*.js' 'test/**/*.js'"
@@ -27,6 +29,7 @@
   "bugs": {
     "url": "https://github.com/Spyna/react-svg-radar-chart/issues"
   },
+  "files": ["./build"],
   "license": "ISC",
   "dependencies": {},
   "devDependencies": {