Added NPM funding info

Author: jaydrogers

dist/amplitude.js

@@ -1,6 +1,6 @@
 {
   "name": "amplitudejs",
-  "version": "5.0.2",
+  "version": "5.0.3",
   "description": "A JavaScript library that allows you to control the design of your media controls in your webpage -- not the browser. No dependencies (jQuery not required) https://521dimensions.com/open-source/amplitudejs",
   "main": "dist/amplitude.js",
   "devDependencies": {
@@ -22,6 +22,10 @@
   "files": [
     "dist"
   ],
+  "funding": {
+    "type": "opencollective",
+    "url": "https://opencollective.com/amplitudejs"
+  },
   "scripts": {
     "build": "node_modules/.bin/webpack",
     "watch": "watch 'node_modules/.bin/webpack' dist",