Cleanup .gitignore file

This is blocking `relase-plz`, because it requires the `Cargo.lock` to be checked in,
but it was also inconsistent, so I cleaned it up a bit.

.gitignore

@@ -1,26 +1,24 @@
+# macOS-specific files
+.DS_Store
+
+# Windows-specific files
+Thumbs.db
+
 # Generated by Cargo
-# will have compiled files and executables
+/target/
 debug/
-target/
 
-# Remove Cargo.lock from gitignore if creating an executable, leave it for libraries
-# More information here https://doc.rust-lang.org/cargo/guide/cargo-toml-vs-cargo-lock.html
-Cargo.lock
+# NOTE: Cargo.lock should be committed for workspaces with both binaries and libraries
+# Cargo.lock
 
-# These are backup files generated by rustfmt
+# Backup files generated by rustfmt
 **/*.rs.bk
 
-# IDE generated files
-*.idea
-.vscode
-.zed
+# IDE-specific files and directories
+.idea/
+.vscode/
+.zed/
 
-# Lychee-specific files
+# lychee-specific files
 .lycheecache
-
-# Config smoketest report file
 .config.dummy.report.md
-
-# Other
-cookies.json
-