Add real-time console-based stock price plotter using dummy data

[sonika45]

Overview

This contribution adds a Python script that simulates real-time stock price plotting in the console using dummy data. It is designed to be beginner-friendly and does not require any external libraries, making it easy for anyone to run and understand.

Features

• Simulates stock price fluctuations realistically.
• Displays a simple text-based graph in the console using *.
• Shows the latest prices in a sliding window format (default 20 points).
• Updates every second with timestamps.
• Fully self-contained; works offline without any API or extra library.

Purpose

This script is intended as a Hacktoberfest contribution to help beginners practice Python, understand real-time plotting concepts, and create easy-to-run projects without library dependencies.

How to Run

1. Clone the repository.
2. Run the script:

   python stock_plotter_console.py