Examine source code of Medium Banner Remover

{
  "manifest_version": 2,
  "name": "Medium Banner Remover",
  "version": "0.0.5",
  "description": "A simple addon to remove medium article banners that clutter the screen",
  "homepage_url": "https://github.com/colinlcrawford/medium-banner-remover-browser-extn",
  "author": "Colin Crawford",
  "icons": {
    "16": "icons/icon-16.png",
    "32": "icons/icon-32.png",
    "48": "icons/icon-48.png",
    "128": "icons/icon-128.png"
  },
  "permissions": [
    "activeTab",
    "storage",
    "*://*/*"
  ],
  "browser_action": {
    "default_icon": "icons/icon-128.png",
    "default_title": "Medium Banner Remover!"
  },
  "options_ui": {
    "page": "options/options.html",
    "browser_style": true,
    "chrome_style": true
  },
  "background": {
    "scripts": [
      "background/background.js"
    ]
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{27045e19-37fb-4fc9-97ee-7ede12892975}"
    }
  },
  "content_scripts": [
    {
      "matches": [
        "http://*/*",
        "https://*/*"
      ],
      "js": [
        "content-scripts/content-script.js"
      ]
    }
  ]
}