Examine source code of Rust Search Extension

{
  "action": {},
  "background": {
    "page": "firefox-bg.html"
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{04188724-64d3-497b-a4fd-7caffe6eab29}",
      "strict_min_version": "109.0"
    }
  },
  "content_scripts": [
    {
      "css": [
        "script/docs-rs.css",
        "script/details-toggle.css"
      ],
      "js": [
        "content-script-bundle.js",
        "script/lib.js",
        "script/docs-rs.js",
        "script/rust-src-navigate.js",
        "script/semver.js"
      ],
      "matches": [
        "*://docs.rs/*"
      ],
      "run_at": "document_start"
    },
    {
      "css": [
        "script/doc-rust-lang-org.css",
        "script/details-toggle.css"
      ],
      "exclude_matches": [
        "*://doc.rust-lang.org/nightly/nightly-rustc/*"
      ],
      "js": [
        "content-script-bundle.js",
        "script/lib.js",
        "script/doc-rust-lang-org.js",
        "script/rust-src-navigate.js"
      ],
      "matches": [
        "*://doc.rust-lang.org/*"
      ],
      "run_at": "document_start"
    },
    {
      "js": [
        "content-script-bundle.js",
        "script/rust-extension-sh.js"
      ],
      "matches": [
        "*://rust.extension.sh/update"
      ],
      "run_at": "document_start"
    },
    {
      "css": [
        "script/macro-railroad.css"
      ],
      "js": [
        "content-script-bundle.js",
        "script/lib.js",
        "script/macro-railroad.js",
        "script/macro-railroad-wasm.js"
      ],
      "matches": [
        "*://docs.rs/*",
        "*://doc.rust-lang.org/*"
      ],
      "run_at": "document_start"
    }
  ],
  "content_security_policy": {
    "extension_pages": "script-src 'self'; object-src 'self';"
  },
  "description": "A handy browser extension to search Rust docs and crates, etc in the address bar instantly!",
  "host_permissions": [
    "*://crates.io/api/v1/crates/*",
    "https://rust.extension.sh/*"
  ],
  "icons": {
    "16": "assets/rust.png",
    "48": "assets/rust.png",
    "128": "assets/rust.png"
  },
  "manifest_version": 3,
  "name": "Rust Search Extension",
  "omnibox": {
    "keyword": "rs"
  },
  "optional_host_permissions": [
    "file:///*"
  ],
  "options_ui": {
    "open_in_tab": true,
    "page": "manage/index.html"
  },
  "permissions": [
    "storage",
    "unlimitedStorage"
  ],
  "version": "2.0.2",
  "web_accessible_resources": [
    {
      "extension_ids": [],
      "matches": [
        "*://docs.rs/*",
        "*://doc.rust-lang.org/*"
      ],
      "resources": [
        "script/*.js",
        "wasm/*.wasm",
        "assets/*.svg"
      ]
    }
  ]
}