Examine source code of IUM Browser Extensions

{
  "name": "IUM Browser Extensions",
  "short_name": "IUMBrowser",
  "description": "IUM Browser extensions to extend Atlassian cloud functionality",
  "version": "1.3.0",
  "manifest_version": 3,
  "browser_specific_settings": {
    "gecko": {
      "id": "office@accxia.com",
      "strict_min_version": "79.0"
    }
  },
  "background": {
    "scripts": [
      "background.js"
    ],
    "type": "module"
  },
  "content_scripts": [
    {
      "matches": [
        "https://*.atlassian.net/*",
        "https://*.atlassian.net/servicedesk/*",
        "https://*.atlassian.net/wiki/*",
        "https://admin.atlassian.com/*",
        "https://id.atlassian.com/join/user-access*"
      ],
      "js": [
        "content.js"
      ],
      "all_frames": false,
      "run_at": "document_end"
    },
    {
      "matches": [
        "https://*.accxia.com/*"
      ],
      "js": [
        "marker.js"
      ],
      "all_frames": true,
      "run_at": "document_end"
    },
    {
      "matches": [
        "https://*.atlassian.net/*",
        "https://*.atlassian.net/servicedesk/*",
        "https://*.atlassian.net/wiki/*"
      ],
      "js": [
        "injector.js"
      ],
      "run_at": "document_start"
    }
  ],
  "content_security_policy": {
    "extension_pages": "connect-src 'self' https://*.accxia.com https://*.atlassian.net; default-src 'self' https://*.accxia.com; script-src 'self'; object-src 'self'; img-src * data:; style-src 'self' 'unsafe-inline'; style-src-elem 'self' https://cdn.jsdelivr.net 'unsafe-inline';"
  },
  "permissions": [
    "management",
    "storage",
    "tabs",
    "history",
    "unlimitedStorage",
    "webRequest",
    "scripting",
    "cookies",
    "webNavigation"
  ],
  "host_permissions": [
    "https://connect-cdn.atl-paas.net/*",
    "https://admin.atlassian.com/*",
    "https://id.atlassian.com/*",
    "https://*.atlassian.net/*",
    "https://*.accxia.com/*"
  ],
  "web_accessible_resources": [
    {
      "resources": [
        "loading.html",
        "loading.js",
        "loading.css",
        "overlay.html",
        "overlay.js",
        "worker.js",
        "overlay.css",
        "wait.html",
        "page-intercept.js"
      ],
      "matches": [
        "https://*.atlassian.net/*"
      ]
    }
  ],
  "icons": {
    "16": "/images/logo16.png",
    "32": "/images/logo32.png",
    "48": "/images/logo48.png",
    "128": "/images/logo128.png"
  }
}