Add react as peer dependency and changed some scripts

Author: Simon Planinschek

package.json

@@ -4,10 +4,9 @@
   "description": "Material design icon components for React",
   "main": "dist/index.ts",
   "scripts": {
-    "build": "npm run bootstrapping",
-    "bootstrapping": "node src/bootstrapper.js",
-    "clean": "rm -rf dist/",
-    "lint": "eslint --ext js,ts,tsx src",
+    "build": "tsc",
+    "generate": "rm -rf src/* && node generator.js",
+    "lint": "eslint --ext js,ts,tsx ./generator.js",
     "lint:fix": "npm run lint -- --fix",
     "test": "jest --config jestconfig.json --passWithNoTests",
     "prepare": "npm run build",
@@ -51,5 +50,9 @@
     "prettier": "^2.1.2",
     "ts-jest": "^26.4.1",
     "typescript": "^4.0.3"
+  },
+  "peerDependencies": {
+    "react": "^16.13.1",
+    "react-dom": "^16.13.1"
   }
 }