Added call to donate after npm install (optional)

package.json

@@ -7,7 +7,8 @@
         "watch-poll": "npm run watch -- --watch-poll",
         "hot": "cross-env NODE_ENV=development node_modules/webpack-dev-server/bin/webpack-dev-server.js --inline --hot --config=node_modules/laravel-mix/setup/webpack.config.js",
         "prod": "npm run production",
-        "production": "cross-env NODE_ENV=production node_modules/webpack/bin/webpack.js --no-progress --hide-modules --config=node_modules/laravel-mix/setup/webpack.config.js"
+        "production": "cross-env NODE_ENV=production node_modules/webpack/bin/webpack.js --no-progress --hide-modules --config=node_modules/laravel-mix/setup/webpack.config.js",
+        "postinstall": "opencollective-postinstall || true"
     },
     "devDependencies": {
         "bootstrap-sass": "^3.4.1",
@@ -18,6 +19,11 @@
         "sass-loader": "7.*"
     },
     "dependencies": {
+        "opencollective-postinstall": "^2.0.2",
         "select2": "^4.0.7"
+    },
+    "collective": {
+        "type": "opencollective",
+        "url": "https://opencollective.com/linuxserver"
     }
-}
+}