Examine source code of These Uncertain Times

{
  "name": "These Uncertain Times",
  "description": "A browser extension that replaces phrases like 'in these uncertain times' with more certainty.",
  "version": "1.2.0",
  "manifest_version": 2,
  "author": "Will Harney",
  "icons": {
    "32": "icons/icon.svg",
    "48": "icons/icon.svg",
    "96": "icons/icon.svg"
  },
  "content_scripts": [
    {
      "matches": [
        "*://*/*"
      ],
      "js": [
        "content_script.js"
      ],
      "all_frames": true
    }
  ],
  "options_ui": {
    "browser_style": true,
    "page": "options/options.html"
  },
  "permissions": [
    "storage"
  ]
}