Examine source code of LoadConnect

{
  "icons": {
    "16": "icon16.plasmo.0da00e53.png",
    "32": "icon32.plasmo.8f9f783d.png",
    "48": "icon48.plasmo.dfc7cd21.png",
    "64": "icon64.plasmo.85c21c9b.png",
    "128": "icon128.plasmo.cd8b86b1.png"
  },
  "manifest_version": 2,
  "browser_action": {
    "default_icon": {
      "16": "icon16.plasmo.0da00e53.png",
      "32": "icon32.plasmo.8f9f783d.png",
      "48": "icon48.plasmo.dfc7cd21.png",
      "64": "icon64.plasmo.85c21c9b.png",
      "128": "icon128.plasmo.cd8b86b1.png"
    },
    "default_popup": "popup.html"
  },
  "version": "3.14.3",
  "author": "samakovuluk",
  "name": "LoadConnect",
  "description": "Plugin that simplifies communication between carriers and brokers by allowing carriers to send emails with one click from loadboard",
  "background": {
    "scripts": [
      "static/background/index.js"
    ]
  },
  "permissions": [
    "storage",
    "https://*.loadconnect.io/*",
    "https://*.carrierify.com/*",
    "https://*.rtspro.com/*",
    "https://*.mytriumph.com/*",
    "https://*.triumphbcap.com/*",
    "https://api.chameleon.io/*"
  ],
  "content_scripts": [
    {
      "matches": [
        "<all_urls>"
      ],
      "js": [
        "content.85ede290.js"
      ],
      "run_at": "document_end",
      "css": []
    },
    {
      "matches": [
        "https://app.loadconnect.io/pricing?status=success"
      ],
      "js": [
        "enable-features.4e985732.js"
      ],
      "css": []
    },
    {
      "matches": [
        "https://app.loadconnect.io/**",
        "http://localhost:3000/**"
      ],
      "js": [
        "dashboard.67b2e4fd.js"
      ],
      "run_at": "document_end",
      "css": []
    },
    {
      "matches": [
        "https://www.mytriumph.com/*"
      ],
      "js": [
        "triumph.5dd999f3.js"
      ],
      "run_at": "document_start",
      "css": []
    },
    {
      "matches": [
        "https://otrsolutions.com/partnerships/*"
      ],
      "js": [
        "otr-lead.df1832e7.js"
      ],
      "run_at": "document_end",
      "css": []
    },
    {
      "matches": [
        "https://rtspro.com/*"
      ],
      "js": [
        "rtspro.82bfa539.js"
      ],
      "run_at": "document_start",
      "css": []
    },
    {
      "matches": [
        "https://safer.fmcsa.dot.gov/*",
        "https://highway.com/*",
        "https://www.carrier411.com/*",
        "https://www.carrierassure.com/*",
        "https://www.carriersource.io/*",
        "https://www.carrier-ok.com/*",
        "https://ai.fmcsa.dot.gov/*",
        "https://www.rmisdirectory.com/*",
        "https://app.loadconnect.io/**"
      ],
      "js": [
        "sidebar-resources.3e6f0ec6.js"
      ],
      "run_at": "document_end",
      "css": [
        "sidebar-resources.84cb2cbb.css"
      ]
    },
    {
      "matches": [
        "https://one.dat.com/**",
        "https://truckersedge.dat.com/**",
        "https://power-mobile.dat.com/**"
      ],
      "js": [
        "dat-one.c6f933a4.js"
      ],
      "run_at": "document_end",
      "css": [
        "dat-one.9b2eac9c.css",
        "sidebar-resources.84cb2cbb.css"
      ]
    },
    {
      "matches": [
        "https://*.sylectus.com/**"
      ],
      "js": [
        "sylectus.ab023021.js"
      ],
      "run_at": "document_end",
      "css": [
        "sidebar-resources.84cb2cbb.css",
        "dat-one.9b2eac9c.css"
      ]
    },
    {
      "matches": [
        "https://mail.google.com/**",
        "https://outlook.live.com/mail/**",
        "https://mail.zoho.com/**",
        "https://mail.zoho.eu/**",
        "https://mail.zoho.in/**",
        "https://mail.zoho.com.au/**"
      ],
      "js": [
        "mail.2bb3bf3a.js"
      ],
      "all_frames": true,
      "run_at": "document_end",
      "css": [
        "sidebar-resources.84cb2cbb.css"
      ]
    },
    {
      "matches": [
        "https://thelinkloadlinkweb4.loadlink.ca/**"
      ],
      "js": [
        "theloadlink.e435af1e.js"
      ],
      "run_at": "document_end",
      "css": [
        "sidebar-resources.84cb2cbb.css",
        "dat-one.9b2eac9c.css"
      ]
    },
    {
      "matches": [
        "https://main.truckstop.com/**"
      ],
      "js": [
        "truckstop.e368cbbd.js"
      ],
      "run_at": "document_end",
      "css": [
        "sidebar-resources.84cb2cbb.css",
        "dat-one.9b2eac9c.css"
      ]
    }
  ],
  "short_name": "LoadConnect",
  "web_accessible_resources": [
    "triumph.d31e857c.css",
    "triumph.e544ac11.css",
    "triumph.652a2900.css",
    "triumph.9e65e717.css",
    "triumph.80647c83.css",
    "triumph.3cc18ab5.css",
    "triumph.451a67e1.css",
    "triumph.17a3d091.css",
    "triumph.78910941.css",
    "triumph.2075002c.css",
    "triumph.cef004fb.css",
    "triumph.1c4ecd9f.css",
    "triumph.d98253d9.css",
    "triumph.2a486b30.css",
    "triumph.0b23b14b.css",
    "triumph.2dd11098.css",
    "triumph.63b5d445.css",
    "triumph.b6cd28f5.css",
    "triumph.7cac55b3.css",
    "triumph.c2fcdac0.css",
    "layers.66a5f067.png",
    "layers-2x.69ee12a1.png",
    "marker-icon.b1a838aa.png",
    "triumph.f350444b.css",
    "rtspro-interceptor.13ca7dfb.js",
    "sidebar-resources.a31d1450.png",
    "patch.125075e7.js"
  ],
  "browser_specific_settings": {
    "gecko": {
      "id": "hello@loadconnect.io"
    }
  }
}