Examine source code of SocialBee

{
  "name": "SocialBee",
  "short_name": "SBee",
  "description": "SocialBee puts your Social Media on Autopilot. Organize your content in categories and save lots of time in the meanwhile.",
  "homepage_url": "https://socialbee.io/",
  "version": "1.0.3",
  "manifest_version": 2,
  "browser_action": {
    "default_icon": {
      "19": "logo_icon_19.png",
      "38": "logo_icon_38.png"
    },
    "default_title": "Save to SocialBee"
  },
  "background": {
    "scripts": [
      "data/shared/libs/jquery-3.4.1.min.js",
      "data/chrome/socialbee-chrome-port-wrapper.js",
      "data/main.js"
    ]
  },
  "permissions": [
    "tabs",
    "http://*/*",
    "https://*/*",
    "contextMenus"
  ],
  "web_accessible_resources": [
    "manifest.json",
    "data/shared/img/*",
    "data/shared/tpc-check.html",
    "data/shared/socialbee-frame-container.html",
    "data/shared/socialbee-frame-container.js"
  ],
  "content_scripts": [
    {
      "matches": [
        "http://*/*",
        "https://*/*"
      ],
      "css": [
        "data/shared/socialbee-overlay.css"
      ],
      "js": [
        "data/chrome/socialbee-chrome-port-wrapper.js",
        "data/chrome/socialbee-chrome-data-wrapper.js",
        "data/chrome/socialbee-chrome-embed.js",
        "data/shared/libs/jquery-3.4.1.min.js",
        "data/shared/libs/postmessage.js",
        "data/shared/libs/keymaster.js",
        "data/shared/libs/he.js",
        "data/shared/socialbee-overlay.js",
        "data/shared/embeds/socialbee-scraper.js",
        "data/shared/embeds/socialbee-hotkey.js",
        "data/shared/embeds/socialbee-tpc-check.js",
        "data/chrome/socialbee-chrome.js"
      ]
    }
  ],
  "icons": {
    "16": "logo_icon_small.png",
    "48": "logo_icon_large.png",
    "128": "logo_icon_128.png"
  }
}