Create CONTRIBUTING.md (#4)

Signed-off-by: Mitul Shah <[email protected]>

Author: MitulShah1

CONTRIBUTING.md

@@ -0,0 +1,23 @@
+# Contributing to Golang REST API Microservice Template
+
+Welcome! 🎉 Thank you for considering contributing to this project.  
+We appreciate your time and effort to help improve this microservice.
+
+## 🚀 Getting Started
+
+### **1. Fork the Repository**
+Click the "Fork" button at the top-right corner of this repository to create your own copy.
+
+### **2. Clone Your Fork**
+```sh
+git clone https://github.com/MitulShah1/golang-rest-api-template.git
+cd golang-rest-api-template
+```
+### **3. Set Up Upstream (Optional)**
+```sh
+git remote add upstream https://github.com/MitulShah1/golang-rest-api-template.git
+git fetch upstream
+git merge upstream/main
+```
+
+