Examine source code of Unreddit

{
  "manifest_version": 2,
  "name": "Unreddit",
  "description": "Read removed Reddit comments",
  "content_scripts": [
    {
      "css": [
        "old-styles.css"
      ],
      "js": [
        "old-content.js"
      ],
      "matches": [
        "https://old.reddit.com/*"
      ]
    },
    {
      "css": [
        "styles.css"
      ],
      "js": [
        "content.js"
      ],
      "matches": [
        "https://www.reddit.com/*"
      ]
    }
  ],
  "homepage_url": "https://github.com/pauldraper/unreddit",
  "icons": {
    "16": "icon-16.png",
    "48": "icon-48.png",
    "128": "icon-128.png"
  },
  "permissions": [
    "https://api.pushshift.io/*",
    "webRequest"
  ],
  "version": "1.0.1"
}