Examine source code of Stashed - Bookmark Manager

{
  "manifest_version": 2,
  "name": "Stashed - Bookmark Manager",
  "description": "Never lose anything you saved again. Save anything in one click, find it again in seconds.",
  "version": "1.0.2",
  "icons": {
    "16": "icon/16.png",
    "32": "icon/32.png",
    "48": "icon/48.png",
    "128": "icon/128.png"
  },
  "permissions": [
    "storage",
    "unlimitedStorage",
    "activeTab",
    "scripting",
    "contextMenus",
    "tabs",
    "identity",
    "<all_urls>"
  ],
  "browser_specific_settings": {
    "gecko": {
      "strict_min_version": "126.0",
      "data_collection_permissions": {
        "required": [
          "none"
        ],
        "optional": [
          "websiteContent",
          "websiteActivity",
          "personallyIdentifyingInfo"
        ]
      },
      "id": "{79e2a81c-3e73-42d6-ab7d-e963ac02e924}"
    },
    "safari": {
      "strict_min_version": "17.0"
    }
  },
  "commands": {
    "stash-current": {
      "suggested_key": {
        "default": "Alt+X",
        "mac": "MacCtrl+Shift+X"
      },
      "description": "Stash the current page"
    },
    "_execute_browser_action": {
      "suggested_key": {
        "default": "Alt+W",
        "mac": "MacCtrl+Shift+W"
      }
    }
  },
  "options_ui": {
    "open_in_tab": false,
    "page": "options.html"
  },
  "background": {
    "scripts": [
      "background.js"
    ]
  },
  "browser_action": {
    "default_title": "Stashed",
    "default_popup": "popup.html"
  },
  "content_scripts": [
    {
      "matches": [
        "<all_urls>"
      ],
      "run_at": "document_idle",
      "js": [
        "content-scripts/content.js"
      ]
    }
  ]
}