Examine source code of Tech Quare

{
  "background": {
    "persistent": true,
    "scripts": [
      "background.js"
    ]
  },
  "browser_action": {
    "default_icon": "icons/Note-128.png",
    "default_title": "Write on Web"
  },
  "description": "This is used for the writing on the webpage similar to the Edge browser. So you can now present by writing on web",
  "homepage_url": "https://techquare.com",
  "icons": {
    "16": "icons/Note-16.png",
    "24": "icons/Note-24.png",
    "32": "icons/Note-32.png",
    "48": "icons/Note-48.png",
    "128": "icons/Note-128.png"
  },
  "key": "MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAlxbLhbbzdSwt1Mja38e9Beml2OxwD7wyWmx99sPPWVq+vlB9tei8q9lBTFr/9UImEQsWy4BmDdprGFYy7TzLG2UINXEb8ZW8+7XbM29UzF30ZA/U6I6jz2kMd3JtUhVZBIhhR0AkNO8F6EU+teCaKlcj63MjovSsYuHnstM5y240TfNieUhu2zHGMBhT6zSATwqYcPRskvHbNQ/MWSXKvI2Vryk6d0HLueFj5Ip70xjo0xUbnZqHAsHgdiyYTZYM6064gZalYduSoa1owNm1yND8hs614nOIJAD8BEeavARS/qGqNGidxnRJuEBZG+7apoHvLeSqBfAhAXka9R1DBwIDAQAB",
  "manifest_version": 2,
  "name": "Write on Web",
  "permissions": [
    "https://*/*",
    "http://*/*",
    "tabs"
  ],
  "short_name": "WoW",
  "update_url": "https://clients2.google.com/service/update2/crx",
  "version": "0.0.9",
  "web_accessible_resources": [
    "images/*.png"
  ]
}