Examine source code of EarthMC Dynmap+ X-Browser

{
  "manifest_version": 3,
  "name": "EarthMC Dynmap+ (Cross-Browser Fork)",
  "version": "2.1.5",
  "author": "JasonSolace",
  "description": "Extension to enrich the EarthMC map experience",
  "icons": {
    "48": "resources/icon48.png",
    "128": "resources/icon128.png"
  },
  "browser_specific_settings": {
    "gecko": {
      "data_collection_permissions": {
        "required": [
          "searchTerms"
        ]
      },
      "id": "earthmc-dynmapplus@jasonsolace"
    }
  },
  "web_accessible_resources": [
    {
      "matches": [
        "https://map.earthmc.net/*",
        "https://aurora.earthmc.net/*"
      ],
      "resources": [
        "resources/icon-screenshot.png",
        "resources/icon-show.png",
        "resources/icon-hide.png",
        "resources/map-config.js",
        "resources/borders.aurora.json",
        "resources/borders.nostra.countries.json",
        "resources/borders.nostra.states-and-countries.json.gz",
        "resources/polygon-clipping.umd.min.js",
        "resources/planning-geometry.js",
        "resources/planning-leaflet-adapter.js",
        "resources/planning-state.js",
        "resources/planning-runtime.js",
        "resources/planning-projection.js",
        "resources/planning-live-renderer.js",
        "resources/marker-engine-geometry.js",
        "resources/marker-engine-httputil.js",
        "resources/marker-engine-data.js",
        "resources/marker-engine-transform.js",
        "resources/marker-engine-page-map.js",
        "resources/marker-engine-planning.js",
        "resources/marker-engine.js",
        "resources/interceptor.js"
      ]
    }
  ],
  "content_scripts": [
    {
      "matches": [
        "https://map.earthmc.net/*",
        "https://aurora.earthmc.net/*"
      ],
      "run_at": "document_start",
      "css": [
        "resources/style.css"
      ],
      "js": [
        "src/browser.js",
        "resources/map-config.js",
        "src/httputil.js",
        "src/dom.js",
        "src/screenshot.js",
        "resources/planning-geometry.js",
        "resources/planning-state.js",
        "resources/planning-runtime.js",
        "resources/planning-projection.js",
        "src/menu-planning-preview.js",
        "src/menu-planning.js",
        "src/menu-map-controls.js",
        "src/menu-options.js",
        "src/menu-sidebar.js",
        "src/menu.js",
        "src/main.js",
        "src/entrypoint.js"
      ]
    }
  ]
}