golang file server

Import the necessary packages: Import the required packages from the standard libraries and third-party dependencies.

Define the main function: Create the main function as the entry point of the program.

Set up the file server: Use the http package to create a file server to handle incoming requests.

Specify the file server root directory: Set the root directory for the file server to serve files from.

Handle errors: Implement error handling to manage any issues that may arise during the file serving process.

Listen and serve: Use the ListenAndServe function to start the file server and begin serving files to incoming requests.

Handle shutdown gracefully: Implement a graceful shutdown mechanism to handle the termination of the file server.

Run the program: Run the program to start the file server and serve files to clients.