Add MoveCommand to move files in the shell

Implements the MoveCommand class to handle file moving operations with error handling.

Author: anshumanjadiya1102

src/main/java/com/mycmd/commands/MoveCommand.java

@@ -0,0 +1,32 @@
+package com.mycmd.commands;
+
+import com.mycmd.Command;
+import com.mycmd.ShellContext;
+import java.io.File;
+import java.io.IOException;
+import java.nio.file.*;
+
+public class MoveCommand implements Command {
+    @Override
+    public void execute(String[] args, ShellContext context) throws IOException {
+        if (args.length < 2) {
+            System.out.println("Usage: move <source> <destination>");
+            return;
+        }
+
+        Path source = context.resolvePath(args[0]).toPath();
+        Path destination = context.resolvePath(args[1]).toPath();
+
+        if (!Files.exists(source)) {
+            System.out.println("The system cannot find the file specified.");
+            return;
+        }
+
+        try {
+            Files.move(source, destination, StandardCopyOption.REPLACE_EXISTING);
+            System.out.println("Moved: " + source.getFileName() + " -> " + destination);
+        } catch (IOException e) {
+            System.out.println("Error moving file: " + e.getMessage());
+        }
+    }
+}