Examine source code of Category Tabs for Google Keep™

{
  "manifest_version": 2,
  "version": "20.15.0",
  "name": "Category Tabs for Google Keep™",
  "short_name": "Tabs for Keep",
  "description": "__MSG_cj_i18n_01963__",
  "author": "Jeurissen Apps",
  "homepage_url": "https://apps.jeurissen.co/category-tabs-for-google-keep",
  "developer": {
    "name": "Jeurissen Apps",
    "url": "https://apps.jeurissen.co/"
  },
  "default_locale": "en",
  "content_security_policy": "default-src 'none'; child-src 'none'; manifest-src 'none'; media-src 'none'; object-src 'none'; worker-src 'none'; connect-src 'none'; frame-src 'none'; font-src 'none'; script-src-elem 'self'; style-src-elem 'none'; img-src data:; script-src 'self'; script-src-attr 'none'; style-src 'self'; style-src-attr 'none'; base-uri 'none'; form-action 'none'; frame-ancestors https://keep.google.com/ about:; block-all-mixed-content; upgrade-insecure-requests; report-uri https://api.jeurissen.co/reports/csp/webext/ctfgk/",
  "offline_enabled": true,
  "container": "GOOGLE_DRIVE",
  "browser_specific_settings": {
    "gecko": {
      "id": "category-tabs-for-google-keep@carlosjeurissen.com"
    }
  },
  "externally_connectable": {
    "accepts_tls_channel_id": false
  },
  "icon_variants": [
    {
      "16": "/images/action-16.svg"
    },
    {
      "16": "/images/action-16.png",
      "32": "/images/action-32.png",
      "48": "/images/action-48.png",
      "64": "/images/extension-64.png",
      "96": "/images/action-96.png",
      "128": "/images/extension-128.png",
      "256": "/images/extension-256.png",
      "512": "/images/extension-512.png"
    }
  ],
  "permissions": [
    "menus",
    "scripting",
    "storage",
    "sidePanel",
    "https://keep.google.com/*"
  ],
  "background": {
    "page": "/views/background.html",
    "persistent": false
  },
  "options_page": "/views/options.html?standalone=1",
  "options_ui": {
    "browser_style": false,
    "page": "/views/options.html"
  },
  "sidebar_action": {
    "browser_style": false,
    "mobile_user_agent": false,
    "open_at_install": false,
    "use_navigation_bar": false,
    "default_page": "/views/options.html",
    "default_panel": "/views/options.html",
    "default_icon": {
      "16": "/images/action-16.png",
      "19": "/images/action-19.png",
      "24": "/images/action-24.png",
      "32": "/images/action-32.png",
      "38": "/images/action-38.png",
      "48": "/images/action-48.png",
      "57": "/images/action-57.png",
      "64": "/images/action-64.png",
      "72": "/images/action-72.png",
      "76": "/images/action-76.png",
      "96": "/images/action-96.png"
    }
  },
  "side_panel": {
    "default_path": "/views/options.html"
  },
  "web_accessible_resources": [
    "/views/options.html",
    "/_locales/*"
  ],
  "commands": {
    "_execute_browser_action": {
      "description": "__MSG_cj_i18n_01964__"
    }
  },
  "content_scripts": [
    {
      "css": [
        "/styles/cs-main.css"
      ],
      "js": [
        "/scripts/cs-isolated.js"
      ],
      "matches": [
        "https://keep.google.com/*"
      ],
      "run_at": "document_start",
      "all_frames": true
    }
  ],
  "icons": {
    "16": "/images/action-16.png",
    "32": "/images/action-32.png",
    "48": "/images/action-48.png",
    "64": "/images/extension-64.png",
    "96": "/images/action-96.png",
    "128": "/images/extension-128.png",
    "256": "/images/extension-256.png",
    "512": "/images/extension-512.png"
  },
  "browser_action": {
    "browser_style": false,
    "default_title": "__MSG_cj_i18n_01964__",
    "icon_variants": [
      {
        "16": "/images/action-16.svg",
        "19": "/images/action-19.svg",
        "24": "/images/action-16.svg",
        "32": "/images/action-16.svg",
        "38": "/images/action-19.svg",
        "48": "/images/action-16.svg"
      },
      {
        "16": "/images/action-16.png",
        "19": "/images/action-19.png",
        "24": "/images/action-24.png",
        "32": "/images/action-32.png",
        "38": "/images/action-38.png",
        "48": "/images/action-48.png",
        "57": "/images/action-57.png",
        "64": "/images/action-64.png",
        "72": "/images/action-72.png",
        "76": "/images/action-76.png",
        "96": "/images/action-96.png"
      }
    ],
    "default_icon": {
      "16": "/images/action-16.png",
      "19": "/images/action-19.png",
      "24": "/images/action-24.png",
      "32": "/images/action-32.png",
      "38": "/images/action-38.png",
      "48": "/images/action-48.png",
      "57": "/images/action-57.png",
      "64": "/images/action-64.png",
      "72": "/images/action-72.png",
      "76": "/images/action-76.png",
      "96": "/images/action-96.png"
    },
    "theme_icons": [
      {
        "dark": "/images/action-16.svg",
        "light": "/images/action-16.svg",
        "size": 16
      },
      {
        "dark": "/images/action-19.svg",
        "light": "/images/action-19.svg",
        "size": 19
      },
      {
        "dark": "/images/action-16.svg",
        "light": "/images/action-16.svg",
        "size": 24
      },
      {
        "dark": "/images/action-16.svg",
        "light": "/images/action-16.svg",
        "size": 32
      },
      {
        "dark": "/images/action-19.svg",
        "light": "/images/action-19.svg",
        "size": 38
      },
      {
        "dark": "/images/action-16.svg",
        "light": "/images/action-16.svg",
        "size": 48
      },
      {
        "dark": "/images/action-16.svg",
        "light": "/images/action-16.svg",
        "size": 57
      },
      {
        "dark": "/images/action-16.svg",
        "light": "/images/action-16.svg",
        "size": 64
      },
      {
        "dark": "/images/action-16.svg",
        "light": "/images/action-16.svg",
        "size": 72
      },
      {
        "dark": "/images/action-16.svg",
        "light": "/images/action-16.svg",
        "size": 76
      },
      {
        "dark": "/images/action-16.svg",
        "light": "/images/action-16.svg",
        "size": 96
      }
    ]
  },
  "applications": {
    "gecko": {
      "id": "category-tabs-for-google-keep@carlosjeurissen.com"
    }
  }
}