Examine source code of Streamscript Editor

{
  "name": "Streamscript Editor",
  "description": "Autocomplete and formatting for the Streamscript language.",
  "version": "63.0",
  "manifest_version": 3,
  "browser_specific_settings": {
    "gecko": {
      "id": "syntaxhighlighter@streamscript.com"
    }
  },
  "icons": {
    "16": "icon-16.png",
    "32": "icon-32.png",
    "48": "icon-48.png",
    "128": "icon-128.png"
  },
  "web_accessible_resources": [
    {
      "matches": [
        "https://*.force.com/*"
      ],
      "resources": [
        "web.js"
      ]
    }
  ],
  "options_ui": {
    "page": "options.html"
  },
  "optional_host_permissions": [
    "https://*.salesforce.com/*"
  ],
  "background": {
    "scripts": [
      "background.js"
    ]
  },
  "content_scripts": [
    {
      "all_frames": true,
      "run_at": "document_start",
      "matches": [
        "https://*.force.com/*"
      ],
      "js": [
        "content.js"
      ]
    }
  ]
}