Examine source code of Opentalent Add-ons

{
  "manifest_version": 3,
  "name": "Opentalent Add-ons",
  "version": "0.5",
  "description": "Extension permettant de personnaliser l'interface Opentalent, et apportant diverses améliorations graphiques.",
  "permissions": [
    "activeTab",
    "storage"
  ],
  "action": {
    "default_icon": {
      "16": "icon16.png",
      "48": "icon48.png",
      "128": "icon128.png"
    },
    "default_popup": "popup.html"
  },
  "background": {
    "scripts": [
      "background.js"
    ]
  },
  "content_scripts": [
    {
      "matches": [
        "*://*.opentalent.fr/*"
      ],
      "js": [
        "content.js"
      ]
    }
  ],
  "icons": {
    "16": "icon16.png",
    "48": "icon48.png",
    "128": "icon128.png"
  },
  "web_accessible_resources": [
    {
      "resources": [
        "theme1.css",
        "theme2.css",
        "theme3.css",
        "theme4.css",
        "theme5.css",
        "theme6.css",
        "theme7.css",
        "theme8.css",
        "darktheme1.css",
        "darktheme2.css",
        "darktheme3.css",
        "darktheme4.css",
        "darktheme5.css",
        "darktheme6.css",
        "darktheme7.css",
        "darktheme8.css",
        "square.css"
      ],
      "matches": [
        "*://*.opentalent.fr/*"
      ]
    }
  ],
  "browser_specific_settings": {
    "gecko": {
      "id": "contact@littlej.fr",
      "strict_min_version": "42.0"
    }
  }
}