Github autosize high DPI images

manifest.json

{
  "name": "Github autosize high DPI images",
  "version": "0.0.0.4",
  "manifest_version": 2,
  "description": "A Chromium Extension that converts markdown into img tag with calculated width based on user system dpi.",
  "icons": {
    "128": "icons/githubdpi_128x128.png"
  },
  "background": {
    "scripts": [
      "background-scripts/background.js"
    ],
    "persistent": false
  },
  "page_action": {
    "default_title": "page",
    "default_popup": "paste/paste.html"
  },
  "permissions": [
    "declarativeContent",
    "storage"
  ],
  "content_scripts": [
    {
      "matches": [
        "*://*.github.com/*"
      ],
      "js": [
        "content-scripts/content.js"
      ]
    }
  ],
  "update_url": "https://edge.microsoft.com/extensionwebstorebase/v1/crx"
}