ask before deleting task

src/main.rs

@@ -1,6 +1,6 @@
 use clap::Parser;
 use serde::{Deserialize, Serialize};
-use std::io::Write;
+use std::io::{BufRead, Write};
 use xdg::BaseDirectories;
 
 mod cli;
@@ -47,6 +47,23 @@ fn main() {
                 println!("invalid index");
             }
 
+            println!("You are deleting task:");
+            println!("  {}", tasks[idx - 1].name);
+            println!();
+            println!("In most cases you need to `finish` command");
+            loop {
+                print!("Do you still want to delete the task? (y/N): ");
+                std::io::stdout().flush().unwrap();
+                let mut stdin = std::io::stdin().lock();
+                let mut buf = String::new();
+                stdin.read_line(&mut buf).unwrap();
+                match buf.chars().next().unwrap_or_default() {
+                    '\r' | '\n' | 'n' | 'N' => return,
+                    'y' | 'Y' => break,
+                    _ => println!("Unrecognised answer. Please try again."),
+                }
+            }
+
             tasks.remove(idx - 1);
 
             let mut file = std::fs::File::create(&tasks_file_path).unwrap();