Added a readme

Author: EmmanuelM-A

README.md

@@ -0,0 +1,96 @@
+# Blog API
+
+A full-featured RESTful Blog API built with **Node.js**, **Express**, and **MongoDB**, featuring user authentication, role-based access control, post management, comments, likes, caching with **Redis**, and API documentation using Swagger.
+
+---
+
+## 🚀 Features
+
+- User Registration & Authentication (JWT & Refresh Tokens)
+- Role-Based Access Control (`user`, `author`, `admin`)
+- Post CRUD operations with pagination
+- Comments and likes on posts
+- Auto-promotion to `author` after first post
+- Input validation and centralized error handling
+- Redis caching for performance
+- Swagger UI for interactive API docs
+- Dockerized for easy deployment
+
+---
+
+## 📁 Project Structure
+
+```bash
+src/
+├── api/
+│   └── v1/
+│       ├── controllers/
+│       ├── routes/
+│       └── middleware/
+├── config/
+├── services/
+├── database/
+│   └── models/
+├── utils/
+├── tests/
+├── docs/
+│   └── swagger.yaml
+```
+
+---
+
+## Running the Project
+
+### 🔧 Prerequisites
+
+- Node.js v18+
+- Docker + Docker Compose
+- MongoDB & Redis (via Docker)
+
+### 📦 Installation
+
+```bash
+npm install
+```
+
+### ▶️ Run the API (Development)
+
+```bash
+npm run dev
+```
+
+### 🐳 Run with Docker
+
+```bash
+docker-compose up --build
+```
+
+---
+
+## 🛡️ Authentication
+
+- JWT Access Token in `Authorization: Bearer <token>`.
+
+- Refresh Token in secure HTTP-only cookie.
+
+- Supports user login/logout and token refreshing.
+
+## 🧑‍💻 Roles & Access
+
+user ---> Default registered user
+author ---> Automatically promoted after 1st post
+admin ---> Full access to all user/admin routes
+
+## 📄 API Documentation
+
+Swagger UI available at: (API Documentation)[<domain>/api-docs]
+
+**Live preview of all endpoints, request/response schemas, and error codes.**
+
+## 📝 License
+
+(View License Here)[]
+
+## 👨‍🏫 Author
+
+(Emmanuel Maduka Agbeze)[https://github.com/EmmanuelM-A]