Create README.md

Author: DevX-Cipher

README.md

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+# MakefileBuild Visual Studio Extension
+
+## Overview
+
+The `MakefileBuild` Visual Studio Extension adds functionality to Visual Studio to open and build Makefiles. The extension provides a command that can be triggered to build the active Makefile in the editor, using `make.exe` found in the system PATH.
+
+## Features
+
+- **Open Makefiles**: Recognize Makefiles in the Visual Studio environment.
+- **Build Makefiles**: Execute the `make` command to build the Makefile.
+- **Output Window Integration**: Displays build output and errors in the Visual Studio Output window.
+
+## Installation
+
+To install the extension:
+1. Clone this repository.
+2. Open the solution in Visual Studio.
+3. Build the solution to produce the `.vsix` file.
+4. Run the `.vsix` file to install the extension into Visual Studio.
+
+## Usage
+
+1. Open a Makefile in Visual Studio.
+2. Ensure `make.exe` is available in your system PATH.
+3. Trigger the `MakeCommand` from the command palette.
+
+## Code Explanation
+
+The core functionality is implemented in the `MakeCommand` class:
+
+- **Initialization**: The `InitializeAsync` method sets up the command and output window.
+- **Execute Command**: The `Execute` method retrieves the active Makefile, identifies `make.exe` in the system PATH, and runs the `make` command.
+- **Output Handling**: Standard output and error from the `make` command are captured and displayed in the Visual Studio Output window.
+
+