Examine source code of HotKeyNavigator: Keyboard Shortcuts & Macros

{
  "manifest_version": 2,
  "name": "HotKeyNavigator: Keyboard Shortcuts & Macros",
  "description": "Automate repetitive typing and clicks: custom keyboard shortcuts, macros, text expander, Vim navigation & a Ctrl+K command palette.",
  "version": "1.0.0",
  "icons": {
    "16": "icon/16.png",
    "32": "icon/32.png",
    "48": "icon/48.png",
    "96": "icon/96.png",
    "128": "icon/128.png"
  },
  "permissions": [
    "storage",
    "activeTab",
    "scripting",
    "tabs",
    "<all_urls>"
  ],
  "sidebar_action": {
    "default_panel": "sidepanel.html",
    "default_title": "HotKeyNavigator",
    "open_at_install": false
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "hotkeynavigator@hotkeynavigator.app",
      "strict_min_version": "140.0",
      "data_collection_permissions": {
        "required": [
          "authenticationInfo",
          "personallyIdentifyingInfo"
        ],
        "optional": [
          "technicalAndInteraction"
        ]
      }
    },
    "gecko_android": {
      "strict_min_version": "142.0"
    }
  },
  "options_ui": {
    "open_in_tab": false,
    "page": "options.html"
  },
  "background": {
    "scripts": [
      "background.js"
    ]
  },
  "browser_action": {
    "default_title": "HotKeyNavigator",
    "default_popup": "popup.html"
  },
  "content_scripts": [
    {
      "matches": [
        "<all_urls>"
      ],
      "all_frames": true,
      "match_about_blank": true,
      "exclude_matches": [
        "https://billing.stripe.com/*",
        "https://checkout.stripe.com/*",
        "https://connect.stripe.com/*"
      ],
      "js": [
        "content-scripts/content.js"
      ]
    }
  ]
}