Initial commit: n8n Strike API node

- Add Strike API credentials configuration
- Implement Strike node with 9 resources (Account, Balance, Currency Exchange, Deposit, Invoice, Payment, Payment Method, Payout, Rates)
- Add comprehensive operation descriptions for all resources
- Include CLAUDE.MD documentation
- Set up build configuration with TypeScript, ESLint, and Prettier

🤖 Generated with [Claude Code](https://claude.com/claude-code)

Co-Authored-By: Claude <noreply@anthropic.com>

node_modules/ext/string/random.js

@@ -0,0 +1,50 @@
+"use strict";
+
+var isObject            = require("type/object/is")
+  , ensureNaturalNumber = require("type/natural-number/ensure")
+  , ensureString        = require("type/string/ensure");
+
+var generated = Object.create(null), random = Math.random, uniqTryLimit = 100;
+
+var getChunk = function () { return random().toString(36).slice(2); };
+
+var getString = function (length, charset) {
+	var str;
+	if (charset) {
+		var charsetLength = charset.length;
+		str = "";
+		for (var i = 0; i < length; ++i) {
+			str += charset.charAt(Math.floor(Math.random() * charsetLength));
+		}
+		return str;
+	}
+	str = getChunk();
+	if (length === null) return str;
+	while (str.length < length) str += getChunk();
+	return str.slice(0, length);
+};
+
+module.exports = function (/* options */) {
+	var options = arguments[0];
+	if (!isObject(options)) options = {};
+	var length = ensureNaturalNumber(options.length, { "default": 10 })
+	  , isUnique = options.isUnique
+	  , charset = ensureString(options.charset, { isOptional: true });
+
+	var str = getString(length, charset);
+	if (isUnique) {
+		var count = 0;
+		while (generated[str]) {
+			if (++count === uniqTryLimit) {
+				throw new Error(
+					"Cannot generate random string.\n" +
+						"String.random is not designed to effectively generate many short and " +
+						"unique random strings"
+				);
+			}
+			str = getString(length);
+		}
+		generated[str] = true;
+	}
+	return str;
+};