Examine source code of SprintType

{
  "manifest_version": 2,
  "name": "SprintType",
  "version": "2.3.12",
  "description": "Type faster with intelligent text snippets. Expand shortcuts instantly across any website.",
  "permissions": [
    "storage",
    "<all_urls>"
  ],
  "content_security_policy": "script-src 'self' 'unsafe-eval' https://ad.a-ads.com; object-src 'self'",
  "browser_action": {
    "default_popup": "popup.html",
    "default_icon": {
      "16": "icons/icon16.png",
      "48": "icons/icon48.png",
      "128": "icons/icon128.png"
    }
  },
  "icons": {
    "16": "icons/icon16.png",
    "48": "icons/icon48.png",
    "128": "icons/icon128.png"
  },
  "content_scripts": [
    {
      "matches": [
        "<all_urls>"
      ],
      "js": [
        "content.js"
      ],
      "run_at": "document_end",
      "all_frames": true,
      "match_about_blank": true
    }
  ],
  "background": {
    "scripts": [
      "background.js"
    ]
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "rosegarden88@proton.me",
      "strict_min_version": "109.0"
    }
  }
}