Create comprehensive README for calculator project

[Copilot]

Overview

This PR introduces a professional, comprehensive README.md file to properly introduce and document the calculator project.

Changes

Replaced the minimal placeholder README ("# testRepo") with a full-featured documentation file that includes:

• Project Description: Clear introduction explaining the calculator application's purpose and capabilities
• Features Section: Detailed list of basic arithmetic operations (addition, subtraction, multiplication, division) plus additional functionality like decimal support, error handling, and planned future enhancements
• Installation Guide: Step-by-step setup instructions with placeholders for technology-specific requirements
• Usage Examples: Concrete examples demonstrating basic calculator operations:

  Input: 5 + 3 → Output: 8
  Input: 10 - 4 → Output: 6
  Input: 7 × 6 → Output: 42
  Input: 15 ÷ 3 → Output: 5
  

• Project Structure: Overview of repository organization
• Contributing Guidelines: Clear instructions for potential contributors
• Development Section: Placeholders for testing and code style information
• Contact & License: Links to GitHub issues and placeholder for license details

Design Decisions

The README is intentionally written to be language-agnostic and framework-agnostic, using placeholders for specific technology requirements. This allows the project to be implemented in any programming language (Python, JavaScript, Java, etc.) without requiring README updates.

Benefits

• Provides a professional first impression for visitors to the repository
• Sets clear expectations about project features and functionality
• Makes it easy for new contributors to understand how to get involved
• Follows GitHub README best practices and standard conventions
• Creates a solid foundation that can be easily expanded as the project evolves

Fixes the requirement to write an introductory README for the calculator project.

Original prompt

Write the readme to introduce the calculator project

Conversation Summary

TITLE: Create README for Calculator Project

USER INTENT: The user wants to write a README file to introduce their calculator project.

TASK DESCRIPTION: Create an introductory README document for a calculator project. The README should provide an overview and introduction to help users understand what the project is about.

EXISTING: None mentioned - this appears to be the initial request to create the README.

PENDING:

• Write the complete README.md file for the calculator project
• Include appropriate sections such as project description, features, installation instructions, usage examples, and any other standard README components

CODE STATE: No files have been discussed or modified yet in this conversation.

RELEVANT CODE/DOCUMENTATION SNIPPETS: None provided in the conversation.

OTHER NOTES:

• This is the first message in the conversation, so there is minimal context about the calculator project itself
• The specific type of calculator (basic arithmetic, scientific, graphical, web-based, CLI, etc.) has not been specified
• Programming language, framework, and platform details are not yet known
• The scope and features of the calculator project need to be determined to create an appropriate README

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