Added call to donate after npm install (optional)

package.json

@@ -8,13 +8,15 @@
     "diff": "^4.0.1",
     "js-base64": "^2.5.1",
     "netlify-auth-providers": "^1.0.0-alpha5",
+    "opencollective-postinstall": "^2.0.2",
     "prismjs": "^1.15.0",
     "react": "^16.8.1",
     "react-dom": "^16.8.1",
     "react-scripts": "2.1.3",
     "react-swipeable": "^4.3.2",
     "react-use": "^5.2.2",
-    "workerize-loader": "^1.0.4"
+    "workerize-loader": "^1.0.4",
+    "opencollective": "^1.0.3"
   },
   "scripts": {
     "start": "craco start",
@@ -23,7 +25,8 @@
     "test-prettier": "prettier --check \"**/*.{js,jsx,md,json,html,css,yml}\" --ignore-path .gitignore",
     "test-cra": "react-scripts test",
     "test": "run-s test-prettier test-cra",
-    "eject": "react-scripts eject"
+    "eject": "react-scripts eject",
+    "postinstall": "opencollective-postinstall"
   },
   "eslintConfig": {
     "extends": "react-app"
@@ -37,5 +40,9 @@
   "devDependencies": {
     "npm-run-all": "^4.1.5",
     "prettier": "^1.16.4"
+  },
+  "collective": {
+    "type": "opencollective",
+    "url": "https://opencollective.com/git-history"
   }
-}
+}