feat: initialize markr nostr bookmark client

- Add project structure with TypeScript, React, and Vite
- Implement nostr authentication using browser extension (NIP-07)
- Add NIP-51 compliant bookmark fetching and display
- Create minimal UI with login and bookmark components
- Integrate applesauce-core and applesauce-react libraries
- Add responsive styling with dark/light mode support
- Include comprehensive README with setup instructions

This is a minimal MVP for a nostr bookmark client that allows users to
view their bookmarks according to NIP-51 specification.

node_modules/@cashu/crypto/modules/util/utils.js

@@ -0,0 +1,18 @@
+"use strict";
+Object.defineProperty(exports, "__esModule", { value: true });
+exports.encodeBase64toUint8 = exports.hexToNumber = exports.bytesToNumber = void 0;
+const utils_1 = require("@noble/curves/abstract/utils");
+const buffer_1 = require("buffer/");
+function bytesToNumber(bytes) {
+    return hexToNumber((0, utils_1.bytesToHex)(bytes));
+}
+exports.bytesToNumber = bytesToNumber;
+function hexToNumber(hex) {
+    return BigInt(`0x${hex}`);
+}
+exports.hexToNumber = hexToNumber;
+function encodeBase64toUint8(base64String) {
+    return buffer_1.Buffer.from(base64String, 'base64');
+}
+exports.encodeBase64toUint8 = encodeBase64toUint8;
+//# sourceMappingURL=utils.js.map