Examine source code of Tweet Diff

{
  "name": "Tweet Diff",
  "description": "Diff checker on tweet edit history",
  "manifest_version": 2,
  "homepage_url": "https://github.com/Snazzah/TweetDiff",
  "icons": {
    "16": "icons/icon16.png",
    "32": "icons/icon32.png",
    "48": "icons/icon48.png",
    "128": "icons/icon128.png"
  },
  "content_scripts": [
    {
      "matches": [
        "https://x.com/*"
      ],
      "js": [
        "content.js"
      ],
      "run_at": "document_end"
    }
  ],
  "version": "1.0.0",
  "browser_specific_settings": {
    "gecko": {
      "id": "twdiff@snazzah.com",
      "strict_min_version": "101.0"
    },
    "gecko_android": {
      "strict_min_version": "101.0"
    }
  },
  "web_accessible_resources": [
    "content.js"
  ]
}