Examine source code of My notes

{
  "manifest_version": 2,
  "name": "__MSG_extensionName__",
  "description": "__MSG_extensionDescription__",
  "version": "2.1.3.1",
  "default_locale": "es",
  "background": {
    "scripts": [
      "ContextMenu.js",
      "MessageHandler.js",
      "StorageHandler.js"
    ]
  },
  "permissions": [
    "webNavigation",
    "webRequest",
    "storage",
    "contextMenus",
    "activeTab",
    "<all_urls>",
    "tabs",
    "clipboardWrite"
  ],
  "icons": {
    "16": "Icons/icon-16.png",
    "32": "Icons/icon-32.png",
    "48": "Icons/icon-48.png",
    "64": "Icons/icon-64.png"
  },
  "web_accessible_resources": [
    "ContentScript/PageModifier.js",
    "ContentScript/ContextMenu.js",
    "ContentScript/Sticky.js",
    "ContentScript/Highlight.js",
    "ContentScript/Underline.js",
    "ContentScript/Crossout.js",
    "ContentScript/ChangeText.js",
    "ContentScript/TextBox.js",
    "ContentScript/Url.js",
    "ContentScript/Audio.js",
    "ContentScript/Video.js",
    "ContentScript/Meida.js",
    "ContentScript/TextSelection.js",
    "ContentScript/PageModifier.css",
    "Icons/Link.png",
    "Icons/BrokenLink.png",
    "Fonts/MaterialIcons.css",
    "Fonts/MaterialIconsFont.woff2",
    "/Icons/ExpandList.png",
    "/Icons/CollapseList.png"
  ],
  "sidebar_action": {
    "default_title": "__MSG_extensionName__",
    "default_panel": "Sidebar/Sidebar.html",
    "default_icon": "Icons/sidebar.png"
  },
  "options_ui": {
    "page": "Config/Main.html",
    "browser_style": true
  },
  "applications": {
    "gecko": {
      "id": "{88a2b78a-8002-475f-bde8-c3116fe8060f}"
    }
  },
  "commands": {
    "audio": {
      "suggested_key": {
        "default": "Ctrl+Alt+A"
      },
      "description": "Creates an audio annotation"
    },
    "video": {
      "suggested_key": {
        "default": "Ctrl+Alt+V"
      },
      "description": "Creates a video annotation"
    },
    "sticky": {
      "suggested_key": {
        "default": "Ctrl+Alt+S"
      },
      "description": "Creates an sticky annotation"
    },
    "url": {
      "suggested_key": {
        "default": "Ctrl+Alt+K"
      },
      "description": "Creates a url annotation"
    },
    "highlight": {
      "suggested_key": {
        "default": "Ctrl+Alt+H"
      },
      "description": "Creates a highlight annotation"
    },
    "changeText": {
      "suggested_key": {
        "default": "Ctrl+Alt+C"
      },
      "description": "Creates a changeText annotation"
    },
    "underline": {
      "suggested_key": {
        "default": "Ctrl+Alt+U"
      },
      "description": "Creates a underline annotation"
    },
    "crossout": {
      "suggested_key": {
        "default": "Ctrl+Alt+X"
      },
      "description": "Creates a crossout annotation"
    }
  }
}