Examine source code of StarsBegone

{
  "manifest_version": 2,
  "name": "StarsBegone",
  "version": "1.2resigned1",
  "developer": {
    "name": "hazrmard",
    "url": "https://github.com/hazrmard"
  },
  "description": "Toggle display of member-only posts on Medium.com",
  "icons": {
    "48": "icons/enabled.png"
  },
  "page_action": {
    "default_icon": "icons/enabled.png",
    "default_title": "Medium stars: blocked",
    "show_matches": [
      "*://*.medium.com/*"
    ]
  },
  "background": {
    "scripts": [
      "background.js"
    ]
  },
  "content_scripts": [
    {
      "matches": [
        "*://*.medium.com/*"
      ],
      "js": [
        "front.js"
      ]
    }
  ],
  "permissions": [
    "activeTab"
  ],
  "browser_specific_settings": {
    "gecko": {
      "id": "{c75b1eb9-5e13-4a19-b003-0b8c0d6e4682}"
    }
  }
}