Image Extension Fix

manifest.json

{
  "update_url": "https://clients2.google.com/service/update2/crx",
  "manifest_version": 2,
  "name": "Image Extension Fix",
  "short_name": "Img Ext Fix",
  "description": "Automatically renames image downloads according to the type they are",
  "version": "0.2",
  "icons": {
    "16": "icons/16.png",
    "48": "icons/48.png",
    "128": "icons/128.png"
  },
  "permissions": [
    "downloads"
  ],
  "content_security_policy": "script-src 'self'; object-src 'self'",
  "background": {
    "scripts": [
      "includes/file_extension_mapping.js",
      "includes/util.js",
      "main.js"
    ],
    "persistent": false
  }
}