Examine source code of Load More Pull Request

{
  "manifest_version": 3,
  "name": "Load More Pull Request",
  "version": "1.0.2",
  "description": "Extension to help with those very long Github Pull Requests",
  "icons": {
    "16": "./icons/load-more-pr_16.png",
    "32": "./icons/load-more-pr_32.png",
    "48": "./icons/load-more-pr_48.png",
    "128": "./icons/load-more-pr_128.png"
  },
  "content_scripts": [
    {
      "matches": [
        "https://github.com/*/*/pull/*"
      ],
      "run_at": "document_end",
      "js": [
        "inject.js"
      ]
    }
  ],
  "background": {
    "scripts": [
      "background.js"
    ]
  },
  "host_permissions": [
    "https://github.com/*/*/pull/*"
  ],
  "permissions": [
    "scripting"
  ],
  "browser_specific_settings": {
    "gecko": {
      "id": "load_more_pull_request@uk.co.chrisbibby",
      "strict_min_version": "110.0"
    }
  }
}