Examine source code of TempEdit

{
  "manifest_version": 2,
  "name": "__MSG_extName__",
  "description": "__MSG_extDescription__",
  "version": "1.0.1",
  "icons": {
    "16": "icon/16.png",
    "32": "icon/32.png",
    "48": "icon/48.png",
    "128": "icon/128.png"
  },
  "default_locale": "en",
  "permissions": [
    "activeTab",
    "storage",
    "http://*/*",
    "https://*/*",
    "file://*/*"
  ],
  "commands": {
    "toggle-edit-mode": {
      "suggested_key": {
        "default": "Alt+M",
        "mac": "Alt+M"
      },
      "description": "切换编辑模式"
    },
    "batch-text-replace": {
      "suggested_key": {
        "default": "Alt+J",
        "mac": "Alt+J"
      },
      "description": "批量文字替换"
    },
    "batch-image-replace": {
      "suggested_key": {
        "default": "Alt+K",
        "mac": "Alt+K"
      },
      "description": "批量图片替换"
    }
  },
  "background": {
    "scripts": [
      "background.js"
    ]
  },
  "browser_action": {
    "default_title": "Default Popup Title",
    "default_popup": "popup.html"
  },
  "content_scripts": [
    {
      "matches": [
        "file://*/*",
        "http://*/*",
        "https://*/*"
      ],
      "js": [
        "content-scripts/content.js"
      ]
    }
  ],
  "browser_specific_settings": {
    "gecko": {
      "id": "{6be0ab34-2b19-4904-a62e-f024808f87b2}"
    }
  }
}