Examine source code of PaperEyes

{
  "manifest_version": 3,
  "name": "PaperEyes",
  "version": "1.0.0",
  "description": "Apply a subtle paper texture overlay to web pages for a more comfortable reading experience",
  "author": "Jordan Hewitt <jordan@damngood.tech>",
  "homepage_url": "https://github.com/src-r-r/papereyes",
  "permissions": [
    "storage",
    "activeTab",
    "tabs"
  ],
  "host_permissions": [
    "<all_urls>"
  ],
  "background": {
    "scripts": [
      "src/background/background.js"
    ]
  },
  "action": {
    "default_popup": "src/popup/popup.html",
    "default_title": "PaperEyes - Toggle Paper Texture",
    "default_icon": {
      "16": "src/icons/icon16.png",
      "48": "src/icons/icon48.png",
      "128": "src/icons/icon128.png"
    }
  },
  "options_ui": {
    "page": "src/options/options.html"
  },
  "content_scripts": [
    {
      "matches": [
        "<all_urls>"
      ],
      "js": [
        "src/lib/noise.js",
        "src/content/content.js"
      ],
      "run_at": "document_end",
      "all_frames": false
    }
  ],
  "icons": {
    "16": "src/icons/icon16.png",
    "48": "src/icons/icon48.png",
    "128": "src/icons/icon128.png"
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{3c317a51-f7c7-4d63-8778-882da8a1deab}",
      "strict_min_version": "140.0",
      "data_collection_permissions": {
        "required": [
          "none"
        ]
      }
    },
    "gecko_android": {
      "strict_min_version": "142.0"
    }
  }
}