Examine source code of Enable Right Click

{
  "name": "__MSG_app_name__",
  "short_name": "__MSG_app_short_name__",
  "description": "__MSG_app_description__",
  "version": "2.2.0",
  "manifest_version": 3,
  "author": "Enable Right Click",
  "default_locale": "en",
  "icons": {
    "16": "/icons/16.png",
    "32": "/icons/32.png",
    "48": "/icons/48.png",
    "64": "/icons/64.png",
    "128": "/icons/128.png",
    "256": "/icons/256.png",
    "512": "/icons/512.png"
  },
  "background": {
    "scripts": [
      "js/de5ee.js"
    ]
  },
  "commands": {
    "command": {
      "suggested_key": {
        "default": "Ctrl+Shift+L",
        "mac": "Command+Shift+L"
      },
      "description": "__MSG_toggle_description__"
    }
  },
  "action": {
    "default_title": "__MSG_app_title__",
    "default_popup": "popup.html",
    "default_icon": {
      "16": "/icons/off-16.png",
      "32": "/icons/off-32.png",
      "48": "/icons/off-48.png",
      "64": "/icons/off-64.png",
      "128": "/icons/off-128.png",
      "256": "/icons/off-256.png",
      "512": "/icons/off-512.png"
    }
  },
  "content_scripts": [
    {
      "matches": [
        "http://*/*",
        "https://*/*"
      ],
      "js": [
        "js/68154.js"
      ],
      "all_frames": true,
      "run_at": "document_idle",
      "match_about_blank": true
    }
  ],
  "permissions": [
    "storage",
    "tabs",
    "scripting",
    "webNavigation"
  ],
  "host_permissions": [
    "https://enableright.click/e.firefox.json"
  ],
  "optional_host_permissions": [
    "<all_urls>"
  ],
  "browser_specific_settings": {
    "gecko": {
      "id": "@enable_right_click",
      "data_collection_permissions": {
        "required": [
          "none"
        ]
      }
    }
  }
}