feat: bump up rust version and a big cleanup

Also added an example .env

This will break stuff (briefly)

src/commands/minecraft.rs

@@ -73,7 +73,7 @@ pub(crate) mod user {
       // get a list of servers that the user is a member of
       if let Ok(servers) = get_servers(&db, &command.user.id).await {
         for server in servers {
-          whitelist_update(&vec![username.to_string()], &server.minecraft, &config.discord_minecraft).await;
+          whitelist_update(&vec![username.to_string()], &server.minecraft, &config.discord_token_minecraft).await;
         }
       }
 
@@ -236,7 +236,7 @@ pub(crate) mod server {
 
       let mut result = "Server Information:\n".to_string();
       for server in get_minecraft_config_server(&db, g_id).await {
-        if let Some(x) = server_information(&server.minecraft, &config.discord_minecraft).await {
+        if let Some(x) = server_information(&server.minecraft, &config.discord_token_minecraft).await {
           result.push_str(&format!(
             r#"
             Name:   {name}