replace handlebars with jinja

src/main.rs

@@ -4,7 +4,6 @@ mod templates;
 
 use clap::Parser;
 use color_eyre::{eyre::eyre, Result};
-use handlebars::Handlebars;
 use tokio::{fs, io::AsyncWriteExt, process::Command};
 use toml_edit::DocumentMut;
 use tracing_subscriber::{fmt, layer::SubscriberExt, util::SubscriberInitExt, EnvFilter};