feat(init): creates a default configuration file

The default configuration file is currently empty

src/init.rs

@@ -0,0 +1,22 @@
+use std::io::Write;
+
+pub(crate) fn run() {
+    let file_name = ".git-next.toml";
+    let path = std::path::Path::new(file_name);
+    if !path.exists() {
+        match std::fs::File::create(file_name) {
+            Ok(mut file) => {
+                println!("Created a default configuration file at {}", file_name);
+                match file.write_all(include_bytes!("../default.toml")) {
+                    Ok(_) => println!("Wrote to the configuration file successfully."),
+                    Err(e) => {
+                        eprintln!("Failed to write to the configuration file: {}", e)
+                    }
+                }
+            }
+            Err(e) => {
+                eprintln!("Failed to create a default configuration file: {}", e);
+            }
+        }
+    }
+}

src/main.rs

@@ -1,3 +1,5 @@
+mod init;
+
 use clap::Parser;
 
 #[derive(Parser, Debug)]
@@ -23,6 +25,7 @@ fn main() {
     match commands.command {
         Command::Init => {
             println!("Init command");
+            init::run();
         }
         Command::Server(server) => match server {
             Server::Init => {