resize images in Github

manifest.json

{
  "update_url": "https://clients2.google.com/service/update2/crx",
  "version": "0.1",
  "manifest_version": 2,
  "name": "resize images in Github",
  "description": "After dragging and dropping, the image size is adjusted accordingly in Github issue or pull request.",
  "icons": {
    "16": "icons/16.png",
    "32": "icons/32.png",
    "48": "icons/48.png",
    "128": "icons/128.png"
  },
  "background": {
    "scripts": [
      "background.js"
    ],
    "persistent": false
  },
  "content_scripts": [
    {
      "matches": [
        "https://github.com/*/*/issues/*",
        "https://github.com/*/*/pull/*"
      ],
      "js": [
        "lib/jquery-3.4.1.min.js",
        "content.js"
      ]
    }
  ],
  "permissions": [
    "tabs",
    "https://github.com/*/*/issues/*",
    "https://github.com/*/*/pull/*"
  ],
  "content_security_policy": "script-src 'self'; object-src 'self'"
}