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/eslint/lib/rules/no-negated-in-lhs.js

@@ -0,0 +1,46 @@
+/**
+ * @fileoverview A rule to disallow negated left operands of the `in` operator
+ * @author Michael Ficarra
+ * @deprecated in ESLint v3.3.0
+ */
+
+"use strict";
+
+//------------------------------------------------------------------------------
+// Rule Definition
+//------------------------------------------------------------------------------
+
+/** @type {import('../shared/types').Rule} */
+module.exports = {
+    meta: {
+        type: "problem",
+
+        docs: {
+            description: "Disallow negating the left operand in `in` expressions",
+            recommended: false,
+            url: "https://eslint.org/docs/latest/rules/no-negated-in-lhs"
+        },
+
+        replacedBy: ["no-unsafe-negation"],
+
+        deprecated: true,
+        schema: [],
+
+        messages: {
+            negatedLHS: "The 'in' expression's left operand is negated."
+        }
+    },
+
+    create(context) {
+
+        return {
+
+            BinaryExpression(node) {
+                if (node.operator === "in" && node.left.type === "UnaryExpression" && node.left.operator === "!") {
+                    context.report({ node, messageId: "negatedLHS" });
+                }
+            }
+        };
+
+    }
+};