added readme with feature description and install instruction

Author: LindaWang7

json_to_xml/README.md

@@ -1,17 +1,30 @@
-# Package/Script Name
+# JSON to XML Converter
 
-Short description of package/script
+A standalone Python script that converts a JSON file into an XML file. This script is useful for transforming JSON data into a structured XML format for use in systems that require XML-based input.
 
-- If package, list of functionalities/scripts it can perform
-- If standalone script, short description of script explaining what it achieves
+## Features
 
-## Setup instructions
+- Reads JSON data from a file.
+- Converts nested JSON objects and arrays into XML elements.
+- Outputs well-structured XML files with proper formatting and indentation.
+- Adds a standard XML declaration header (`<?xml version="1.0" encoding="UTF-8"?>`).
 
-Explain how to setup and run your package/script in user's system
+## Setup Instructions
 
-## Detailed explanation of script, if needed
+### Prerequisites
+- Python 3.6 or later installed on your system.
 
-If code is not explainable using comments, use this sections to explain your script
+### Installation
+1. Clone or download this script to your local system.
+2. Save the JSON data you want to convert in a file named `input.json` in the same directory as the script.
+
+### Running the Script
+1. Open a terminal or command prompt.
+2. Navigate to the directory containing the script.
+3. Run the script using the following command:
+   ```bash
+   python json_to_xml.py
+The script will generate an XML file named output.xml in the same directory.
 
 ## Output
 
@@ -23,4 +36,4 @@ LindaWang7
 
 ## Disclaimers, if any
 
-Use this section to mention if any particular disclaimer is required
+N/A