Examine source code of Omn'ia Sidebar

{
  "manifest_version": 2,
  "name": "Omn'ia Sidebar",
  "version": "1.1.0",
  "description": "Accès rapide à Omn'ia dans une sidebar pour Firefox",
  "browser_specific_settings": {
    "gecko": {
      "id": "{0055bf99-2ce6-4bd8-a296-07b3df5d94c0}",
      "strict_min_version": "115.0"
    }
  },
  "icons": {
    "48": "icons/omnes-48.png",
    "64": "icons/omnes-64.png",
    "128": "icons/omnes-128.png"
  },
  "background": {
    "scripts": [
      "background.js"
    ],
    "persistent": true
  },
  "permissions": [
    "activeTab",
    "storage",
    "tabs",
    "webRequest",
    "webRequestBlocking",
    "<all_urls>"
  ],
  "browser_action": {
    "default_title": "Ouvrir Omn'ia Sidebar",
    "default_icon": {
      "48": "icons/omnes-48.png",
      "64": "icons/omnes-64.png",
      "128": "icons/omnes-128.png"
    }
  },
  "sidebar_action": {
    "default_title": "Omn'ia",
    "default_panel": "sidebar.html",
    "default_icon": {
      "48": "icons/omnes-48.png",
      "64": "icons/omnes-64.png",
      "128": "icons/omnes-128.png"
    }
  },
  "content_scripts": [
    {
      "matches": [
        "*://*.omneseducation.com/*"
      ],
      "js": [
        "content-omnia.js"
      ],
      "all_frames": true,
      "run_at": "document_idle"
    }
  ]
}