feat(microstream-client): The primary working setup for microstream-client.

This is the first commit - with the primary version (v1) of a working version of microstream-client.

Author: arijitcodes

.gitignore

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+# Node.js
+node_modules/
+npm-debug.log
+yarn-error.log
+
+# TypeScript
+dist/
+*.tsbuildinfo
+
+# Environment variables
+.env
+.env.local
+.env.development
+.env.test
+.env.production
+
+# IDE/Editor
+.vscode/
+.idea/
+*.suo
+*.ntvs*
+*.njsproj
+*.sln
+*.sw?
+
+# OS generated files
+.DS_Store
+.DS_Store?
+._*
+.Spotlight-V100
+.Trashes
+ehthumbs.db
+Thumbs.db
+
+# Logs and databases
+*.log
+*.sql
+*.sqlite
+
+# Dependency directories
+jspm_packages/
+
+# Optional npm cache directory
+.npm
+
+# Optional eslint cache
+.eslintcache
+
+# Optional REPL history
+.node_repl_history
+
+# Output of 'npm pack'
+*.tgz
+
+# Yarn Integrity file
+.yarn-integrity
+
+# dotenv environment variables file
+.env
+
+# Build files
+build/
+out/

.npmignore

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+
+src/
+tsconfig.json

CHANGELOG.md

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+The MIT License (MIT)
+Copyright © 2025 Arijit Banerjee
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in all
+copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+SOFTWARE.

LICENSE

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+
+# Microstream Client SDK
+
+A lightweight client SDK for Microstream communication.
+
+## Installation
+
+```bash
+npm install microstream-client
+```
+
+## Usage
+
+```typescript
+import { MicrostreamClient } from "microstream-client";
+
+const client = new MicrostreamClient({
+  hubUrl: "http://localhost:3000",
+  serviceName: "auth-service",
+});
+
+client.onRequest("authenticate", (data) => {
+  console.log("Received authentication request:", data);
+  return { success: true, token: "sample-token" };
+});
+
+const response = await client.sendRequest("jwt-service", "generate_jwt", { userId: 123 });
+console.log("Received response:", response);
+```