Examine source code of InterviewSetu

{
  "manifest_version": 3,
  "name": "InterviewSetu",
  "version": "0.3.0",
  "description": "Tailor your resume and generate cover letters instantly from any job posting",
  "browser_specific_settings": {
    "gecko": {
      "id": "interviewsetu@grainsetu.com",
      "strict_min_version": "109.0",
      "data_collection_permissions": {
        "required": [
          "authenticationInfo",
          "websiteContent"
        ],
        "optional": [
          "technicalAndInteraction"
        ]
      }
    }
  },
  "permissions": [
    "activeTab",
    "storage",
    "scripting",
    "notifications",
    "alarms",
    "tabs"
  ],
  "host_permissions": [
    "http://localhost/*",
    "http://127.0.0.1/*",
    "https://interviewsetu.com/*",
    "https://*.interviewsetu.com/*",
    "https://www.linkedin.com/*",
    "https://linkedin.com/*",
    "https://*.indeed.com/*",
    "https://www.naukri.com/*",
    "https://naukri.com/*",
    "https://www.glassdoor.com/*",
    "https://www.glassdoor.co.in/*",
    "https://*.glassdoor.com/*",
    "https://www.ziprecruiter.com/*",
    "https://*.ziprecruiter.com/*",
    "https://www.monster.com/*",
    "https://*.monster.com/*",
    "https://*.greenhouse.io/*",
    "https://*.lever.co/*",
    "https://*.myworkdayjobs.com/*",
    "https://*.ashbyhq.com/*",
    "https://*.smartrecruiters.com/*",
    "https://*.icims.com/*",
    "https://*.breezy.hr/*",
    "https://*.recruitee.com/*",
    "https://*.workable.com/*",
    "https://*.bamboohr.com/*",
    "https://*.applytojob.com/*"
  ],
  "background": {
    "scripts": [
      "background.js"
    ],
    "type": "module"
  },
  "action": {
    "default_popup": "popup.html",
    "default_icon": {
      "16": "assets/icon16.png",
      "48": "assets/icon48.png",
      "128": "assets/icon128.png"
    }
  },
  "sidebar_action": {
    "default_panel": "sidepanel.html",
    "default_title": "InterviewSetu",
    "default_icon": "assets/icon128.png"
  },
  "content_scripts": [
    {
      "matches": [
        "https://www.linkedin.com/jobs/*",
        "https://linkedin.com/jobs/*",
        "https://*.indeed.com/*",
        "https://www.naukri.com/*",
        "https://naukri.com/*",
        "https://www.glassdoor.com/*",
        "https://www.glassdoor.co.in/*",
        "https://*.glassdoor.com/*",
        "https://www.ziprecruiter.com/*",
        "https://*.ziprecruiter.com/*",
        "https://www.monster.com/*",
        "https://*.monster.com/*",
        "https://*.greenhouse.io/*",
        "https://*.lever.co/*",
        "https://*.myworkdayjobs.com/*",
        "https://*.ashbyhq.com/*",
        "https://*.smartrecruiters.com/*",
        "https://*.icims.com/*",
        "https://*.breezy.hr/*",
        "https://*.recruitee.com/*",
        "https://*.workable.com/*",
        "https://*.bamboohr.com/*",
        "https://*.applytojob.com/*"
      ],
      "js": [
        "content.js"
      ],
      "run_at": "document_idle"
    },
    {
      "matches": [
        "https://www.linkedin.com/jobs/*",
        "https://linkedin.com/jobs/*",
        "https://*.indeed.com/*",
        "https://www.naukri.com/*",
        "https://naukri.com/*",
        "https://www.glassdoor.com/*",
        "https://www.glassdoor.co.in/*",
        "https://*.glassdoor.com/*",
        "https://www.ziprecruiter.com/*",
        "https://*.ziprecruiter.com/*",
        "https://www.monster.com/*",
        "https://*.monster.com/*",
        "https://*.greenhouse.io/*",
        "https://*.lever.co/*",
        "https://*.myworkdayjobs.com/*",
        "https://*.ashbyhq.com/*",
        "https://*.smartrecruiters.com/*",
        "https://*.icims.com/*",
        "https://*.breezy.hr/*",
        "https://*.recruitee.com/*",
        "https://*.workable.com/*",
        "https://*.bamboohr.com/*",
        "https://*.applytojob.com/*"
      ],
      "js": [
        "autofill.js"
      ],
      "run_at": "document_idle",
      "all_frames": true
    }
  ],
  "icons": {
    "16": "assets/icon16.png",
    "48": "assets/icon48.png",
    "128": "assets/icon128.png"
  }
}