refactor: clean up whitespace and update clippy linting allowances

Signed-off-by: simonsan <[email protected]>

src/helpers.rs

@@ -4,7 +4,6 @@ use comfy_table::{
 };
 
 /// Helpers for table output
-
 /// Create a new bold cell
 pub fn bold_cell<T: ToString>(s: T) -> Cell {
     Cell::new(s).add_attribute(Attribute::Bold)

src/lib.rs

@@ -51,6 +51,12 @@ Application based on the [Abscissa] framework.
     clippy::trivially_copy_pass_by_ref
 )]
 #![allow(
+    // Popped up in 1.83.0
+    non_local_definitions,
+    // False-positive in WebDavFs
+    clippy::needless_lifetimes,
+    // False-positive in WebDavFs
+    elided_named_lifetimes,
     clippy::module_name_repetitions,
     clippy::redundant_pub_crate,
     clippy::missing_const_for_fn