Examine source code of Copy code without prompts

{
  "manifest_version": 2,
  "name": "Copy code without prompts",
  "version": "1.0.1",
  "description": "Copy code from code blocks in github by clicking the copy button without console prompts like as $,#,>",
  "icons": {
    "32": "icons/32.png",
    "48": "icons/48.png",
    "96": "icons/96.png",
    "128": "icons/128.png"
  },
  "author": "gH2843",
  "homepage_url": "https://github.com/gH2843/Copy-code-without-prompts",
  "short_name": "СopyCodeWP",
  "permissions": [
    "storage"
  ],
  "browser_action": {
    "default_icon": {
      "16": "icons/16.png",
      "32": "icons/32.png"
    },
    "default_title": "choose console prompts",
    "default_popup": "src/popup.html"
  },
  "content_scripts": [
    {
      "matches": [
        "*://github.com/*"
      ],
      "run_at": "document_idle",
      "js": [
        "src/main.js"
      ]
    }
  ],
  "browser_specific_settings": {
    "gecko": {
      "strict_min_version": "57.0",
      "id": "{2e0d8302-7c8d-46d2-9fd1-3479f5b85c3c}"
    }
  }
}