Fix compiler warnings

Author: jasoncouture

src/lib.rs

@@ -7,8 +7,7 @@ An experimental x86_64 bootloader that works on both BIOS and UEFI systems.
 use anyhow::Context;
 use std::{
     collections::BTreeMap,
-    ops::Deref,
-    path::{self, Path, PathBuf},
+    path::{Path, PathBuf},
 };
 use tempfile::NamedTempFile;
 
@@ -37,6 +36,7 @@ impl BiosBoot {
         }
     }
 
+    /// Add a ramdisk file to the image
     pub fn with_ramdisk(&self, ramdisk_path: &Path) -> Self {
         Self {
             kernel: self.kernel.to_owned(),
@@ -107,6 +107,7 @@ impl UefiBoot {
         }
     }
 
+    /// Add a ramdisk file to the disk image
     pub fn with_ramdisk(&self, ramdisk_path: &Path) -> Self {
         Self {
             kernel: self.kernel.clone(),