Examine source code of HDN Editor Shortcuts

{
  "name": "HDN Editor Shortcuts",
  "description": "Provide contextual shortcuts for editors of HDN pages",
  "version": "1.37",
  "permissions": [
    "contextMenus",
    "clipboardWrite",
    "storage",
    "http://*.hearstnp.com/*",
    "https://*.hearstnp.com/*",
    "http://*.sfgate.com/*",
    "https://*.sfgate.com/*",
    "https://*.chron.com/*",
    "http://*.chron.com/*"
  ],
  "icons": {
    "16": "hdn16.png",
    "48": "hdn48.png",
    "128": "hdn128.png"
  },
  "content_scripts": [
    {
      "matches": [
        "*://*.hearstnp.com/*",
        "*://*.beaumontenterprise.com/*",
        "*://*.chron.com/*",
        "*://*.ctpost.com/*",
        "*://*.darientimes.com/*",
        "*://*.expressnews.com/*",
        "*://*.fairfieldcitizenonline.com/*",
        "*://*.greenwichcitizen.com/*",
        "*://*.greenwichtime.com/*",
        "*://*.healthylifect.com/*",
        "*://*.houstonchronicle.com/*",
        "*://*.mysa.com/*",
        "*://*.mysanantonio.com/*",
        "*://*.ncadvertiser.com/*",
        "*://*.newmilfordspectrum.com/*",
        "*://*.newstimes.com/*",
        "*://*.norwalkcitizenonline.com/*",
        "*://*.seattlepi.com/*",
        "*://*.sfchronicle.com/*",
        "*://*.sfgate.com/*",
        "*://*.mrt.com/*",
        "*://*.thetelegraph.com/*",
        "*://*.myjournalcourier.com/*",
        "*://*.yourconroenews.com/*",
        "*://*.thehour.com/*",
        "*://*.ourmidland.com/*",
        "*://*.nhregister.com/*",
        "*://*.registercitizen.com/*",
        "*://*.middletownpress.com/*",
        "*://*.canyonnews.com/*",
        "*://*.muleshoejournal.com/*",
        "*://*.theintelligencer.com/*",
        "*://*.lmtonline.com/*",
        "*://*.connecticutpost.com/*",
        "*://*.ctinsider.com/*",
        "*://*.myplainview.com/*",
        "*://*.michigansthumb.com/*",
        "*://*.stamfordadvocate.com/*",
        "*://*.timesunion.com/*",
        "*://*.theridgefieldpress.com/*",
        "*://*.wiltonbulletin.com/*",
        "*://*.ncadvertiser.com/*",
        "*://*.darientimes.com/*",
        "*://*.sheltonherald.com/*",
        "*://*.trumbulltimes.com/*",
        "*://*.milfordmirror.com/*",
        "*://*.wiltonvillager.com/*",
        "*://*.bigrapidsnews.com/*",
        "*://*.lakecountystar.com/*",
        "*://*.manisteenews.com/*",
        "*://*.recordpatriot.com/*",
        "*://*.theheraldreview.com/*",
        "*://*.connecticutmag.com/*",
        "*://*.westport-news.com/*"
      ],
      "js": [
        "jquery-3.4.1.min.js",
        "utils.js",
        "content.js"
      ]
    }
  ],
  "options_ui": {
    "page": "options.html",
    "chrome_style": true
  },
  "content_security_policy": "script-src 'self'; object-src 'self'",
  "background": {
    "scripts": [
      "jquery-3.4.1.min.js",
      "sample.js"
    ]
  },
  "web_accessible_resources": [
    "jquery-3.4.1.min.js",
    "jquery-ui.min.js",
    "loader.gif",
    "tick.png",
    "utils.js",
    "lib.js",
    "hdn.css",
    "options.html",
    "help.html",
    "help.css"
  ],
  "manifest_version": 2,
  "browser_specific_settings": {
    "gecko": {
      "id": "{bcda0c71-34f7-4e79-8e52-ce278ba5bcf9}"
    }
  }
}