Examine source code of Easyleadin

{
  "icons": {
    "16": "icon16.plasmo.e7bcd3ac.png",
    "32": "icon32.plasmo.ce39377b.png",
    "48": "icon48.plasmo.3c17e113.png",
    "64": "icon64.plasmo.df317abe.png",
    "128": "icon128.plasmo.6a4310c5.png"
  },
  "manifest_version": 2,
  "browser_action": {
    "default_icon": {
      "16": "icon16.plasmo.e7bcd3ac.png",
      "32": "icon32.plasmo.ce39377b.png",
      "48": "icon48.plasmo.3c17e113.png",
      "64": "icon64.plasmo.df317abe.png",
      "128": "icon128.plasmo.6a4310c5.png"
    }
  },
  "version": "1.0.11",
  "author": "lohnsonok",
  "name": "__MSG_extensionName__",
  "description": "__MSG_extensionDescription__",
  "background": {
    "scripts": [
      "static/background/index.js"
    ]
  },
  "permissions": [
    "storage",
    "notifications",
    "alarms",
    "unlimitedStorage",
    "activeTab",
    "https://www.linkedin.com/*",
    "https://easyleadin.com/*"
  ],
  "content_scripts": [
    {
      "matches": [
        "https://www.linkedin.com/*"
      ],
      "js": [
        "navTracker.96bb87f9.js"
      ],
      "css": [
        "note.fffc0402.css"
      ],
      "all_frames": true
    },
    {
      "matches": [
        "https://easyleadin.com/*"
      ],
      "js": [
        "shareImporter.259cbd27.js"
      ],
      "all_frames": false,
      "run_at": "document_end",
      "css": []
    },
    {
      "matches": [
        "https://www.linkedin.com/*"
      ],
      "js": [
        "tag.11a88d4f.js"
      ],
      "css": [
        "tag.34411adb.css"
      ],
      "all_frames": true
    },
    {
      "matches": [
        "https://easyleadin.com/*"
      ],
      "js": [
        "templateImporter.b5ac0218.js"
      ],
      "all_frames": false,
      "run_at": "document_end",
      "css": []
    },
    {
      "matches": [
        "https://www.linkedin.com/*"
      ],
      "js": [
        "todo.5dbe19b7.js"
      ],
      "css": [
        "todo.9c6ac8ca.css"
      ],
      "all_frames": true
    },
    {
      "matches": [
        "https://www.linkedin.com/*"
      ],
      "js": [
        "note.8cbe8773.js"
      ],
      "css": [
        "note.fffc0402.css"
      ],
      "all_frames": true
    },
    {
      "matches": [
        "https://www.linkedin.com/*"
      ],
      "js": [
        "app.47bf6b5f.js"
      ],
      "css": [
        "font.6de33773.css"
      ],
      "all_frames": false
    }
  ],
  "default_locale": "en",
  "browser_specific_settings": {
    "gecko": {
      "id": "dev@easyleadin.com"
    }
  },
  "web_accessible_resources": [
    "assets/*",
    "icons/*",
    "browser-ponyfill.76c686f6.js",
    "Lato-Regular.7443b054.woff2",
    "Lato-Medium.e989a4dd.woff2",
    "Lato-Semibold.8c5fde94.woff2",
    "app.97dea73a.css"
  ],
  "externally_connectable": {
    "matches": [
      "https://easyleadin.com/*"
    ]
  }
}