Add barcode-detector-api-polyfill dependency and update environment variable declarations in SvelteKit project

node_modules/@zxing/text-encoding/cjs/encoding.js

@@ -0,0 +1,17 @@
+"use strict";
+Object.defineProperty(exports, "__esModule", { value: true });
+var TextDecoder_1 = require("./common/TextDecoder");
+exports.TextDecoder = TextDecoder_1.TextDecoder;
+var TextEncoder_1 = require("./common/TextEncoder");
+exports.TextEncoder = TextEncoder_1.TextEncoder;
+// Polyfills browser
+if (typeof window !== 'undefined') {
+    var checkUndefined = function (key) { return !(key in window)
+        || typeof window[key] === 'undefined'
+        || window[key] === null; };
+    if (checkUndefined('TextDecoder'))
+        window['TextDecoder'] = TextDecoder_1.TextDecoder;
+    if (checkUndefined('TextEncoder'))
+        window['TextEncoder'] = TextEncoder_1.TextEncoder;
+}
+//# sourceMappingURL=encoding.js.map