Added captcha to booking form. Deleted useless files.

src/main.rs

@@ -1,3 +1,4 @@
+use leptos_captcha::spow::pow::Pow;
 use log::error;
 use rezervator::backend::company::check_company;
 use rezervator::backend::mail::check_messages;
@@ -37,6 +38,8 @@ async fn main() -> std::io::Result<()> {
         return Ok(());
     }
 
+    Pow::init_random().expect("Cannot init captcha");
+
     let cfg_path = matches.opt_str("c").unwrap_or("config.toml".to_string());
 
     env_logger::Builder::from_env(Env::default().default_filter_or("debug")).init();