message: Updated package.json description
diff: {
  "name": "r2modman",
  "version": "3.1.15",
  - "description": "A simple and easy to use mod manager for Risk of Rain 2, Dyson Sphere Program and Valheim.",
  + "description": "A simple and easy to use mod manager for several Unity games using Thunderstore.",
  "productName": "r2modman",
  "author": "ebkr",
  "private": true,
  