Added script to print release contributors (no async). Resolves DP #647. (#1108)

Author: MillenniumFalconMechanic

spa/package.json

@@ -13,7 +13,8 @@
     "build-prod": "ng build --prod  --outputPath ../dist/explore --configuration=production --base-href=/explore/",
     "test": "ng test",
     "lint": "ng lint",
-    "e2e": "ng e2e"
+    "e2e": "ng e2e",
+    "contributors": "node ../script/release-contributors.js"
   },
   "husky": {
     "hooks": {