Examine source code of SpellBolt

{
  "version": "0.1.9",
  "name": "SpellBolt",
  "manifest_version": 3,
  "description": "Provides Local & Private, grammar suggestions on any text field.",
  "browser_specific_settings": {
    "gecko": {
      "id": "spellbolt@local.dev"
    }
  },
  "permissions": [
    "tabs",
    "storage",
    "activeTab",
    "webRequest"
  ],
  "host_permissions": [
    "<all_urls>"
  ],
  "content_security_policy": {
    "extension_pages": "script-src 'self' 'wasm-unsafe-eval'; object-src 'self'"
  },
  "background": {
    "scripts": [
      "background.js"
    ],
    "type": "module"
  },
  "content_scripts": [
    {
      "js": [
        "content.js"
      ],
      "css": [],
      "matches": [
        "<all_urls>"
      ],
      "all_frames": true,
      "run_at": "document_idle",
      "match_about_blank": true
    }
  ],
  "web_accessible_resources": [
    {
      "resources": [
        "hiddenCommonCache.json.gz",
        "vendor/harper_wasm_bg.wasm",
        "styles/themeVars.css",
        "styles/highlights.css",
        "styles/settingsPanel.css",
        "styles/suggestionsPanel.css",
        "styles/suggestionPanelMini.css"
      ],
      "matches": [
        "<all_urls>"
      ]
    }
  ],
  "options_ui": {
    "page": "popup/options.html",
    "open_in_tab": true
  },
  "action": {
    "default_popup": "popup/popup.html",
    "default_icon": {
      "16": "icons/icon16.png",
      "48": "icons/icon48.png",
      "128": "icons/icon128.png"
    }
  },
  "icons": {
    "16": "icons/icon16.png",
    "48": "icons/icon48.png",
    "128": "icons/icon128.png"
  }
}