Examine source code of Swiftjob

{
  "manifest_version": 3,
  "name": "Swiftjob",
  "version": "1.1",
  "description": "Swiftjob Chrome Extension: Autofill job applications, extract job details, and gather contacts to speed up your job search.",
  "icons": {
    "16": "favicon/icon-16x16.png",
    "32": "favicon/icon-32x32.png",
    "128": "favicon/icon-128x128.png"
  },
  "sidebar_action": {
    "default_title": "Click to open panel",
    "default_panel": "sidepanel.html",
    "default_icon": "favicon/icon-16x16.png"
  },
  "permissions": [
    "storage",
    "scripting",
    "activeTab",
    "sidePanel",
    "webNavigation",
    "webRequest",
    "clipboardWrite",
    "tabs"
  ],
  "host_permissions": [
    "http://localhost/*",
    "http://127.0.0.1/*",
    "http://localhost:3000/*",
    "*://*/*"
  ],
  "background": {
    "scripts": [
      "background.bundle.js"
    ]
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "support@swiftjob.io"
    }
  },
  "side_panel": {
    "default_path": "sidepanel.html"
  },
  "externally_connectable": {
    "matches": [
      "http://localhost/*",
      "http://127.0.0.1/*",
      "http://localhost:3000/*",
      "http://localhost:3030/*",
      "https://www.swiftjob.io/*",
      "https://*.swiftjob.io/*"
    ]
  },
  "web_accessible_resources": [
    {
      "resources": [
        "images/*.png"
      ],
      "matches": [
        "*://*/*",
        "http://localhost/*",
        "http://127.0.0.1/*",
        "http://localhost:3000/*"
      ]
    }
  ],
  "content_scripts": [
    {
      "matches": [
        "*://*/*",
        "http://localhost/*",
        "http://127.0.0.1/*",
        "http://localhost:3000/*"
      ],
      "js": [
        "contentScript.bundle.js"
      ],
      "all_frames": true,
      "match_origin_as_fallback": true,
      "match_about_blank": false,
      "run_at": "document_idle"
    },
    {
      "matches": [
        "*://*/*"
      ],
      "js": [
        "autoFillContentScript.bundle.js"
      ],
      "all_frames": false,
      "match_origin_as_fallback": true,
      "match_about_blank": false,
      "run_at": "document_idle"
    },
    {
      "matches": [
        "*://*/*"
      ],
      "js": [
        "mainWorldContext.bundle.js"
      ],
      "all_frames": true,
      "match_about_blank": false,
      "match_origin_as_fallback": false,
      "world": "MAIN",
      "run_at": "document_idle"
    },
    {
      "matches": [
        "*://*/*"
      ],
      "js": [
        "extractFields.bundle.js"
      ],
      "all_frames": true,
      "match_about_blank": false,
      "match_origin_as_fallback": false,
      "world": "MAIN",
      "run_at": "document_idle"
    }
  ],
  "minimum_chrome_version": "114.0"
}