feat: file management and tempdir management

bootpkg/src/prelude.rs

@@ -1,8 +1,10 @@
-use manifest::{self, Manifest};
+use std::str::FromStr;
+
 use serde::{Deserialize, Serialize};
-use std::{collections::HashMap, str::FromStr};
 use toml;
 
+use manifest::{self, Manifest};
+
 #[derive(Serialize, Deserialize)]
 pub struct PKGR {
     pub bootstrap: Option<Bootstrap>,