Examine source code of SharMe Addon

{
  "manifest_version": 2,
  "name": "sharme",
  "version": "1.1.23",
  "version_name": "History",
  "description": "Official SharMe extension.",
  "homepage_url": "https://www.sharme.eu/",
  "icons": {
    "400": "sharme.png"
  },
  "permissions": [
    "storage",
    "tabs"
  ],
  "background": {
    "scripts": [
      "background.js"
    ]
  },
  "browser_action": {
    "default_icon": {
      "400": "sharme.png"
    },
    "default_title": "SharMe social",
    "default_popup": "popup.html"
  },
  "sidebar_action": {
    "default_icon": {
      "400": "sharme.png"
    },
    "default_title": "SharMe Social",
    "default_panel": "sidebar/index.html"
  }
}