Refactor benchmarks and examples: rename offset_multiple to bench_offset_multiple, remove unused example, and update README accordingly.

Author: radevgit

Cargo.toml

@@ -23,15 +23,12 @@ rand = "0.9.2"
 divan = "0.1.21"
 
 [[bench]]
-name = "offset_multiple"
+name = "bench_offset_multiple"
 harness = false
 
 [[example]]
 name = "offset_polyline"
 
-[[example]]
-name = "offset_multiple"
-
 [workspace.lints]
 rust.unsafe_code = "forbid"
 

benches/offset_multiple.rs benches/bench_offset_multiple.rsbenches/offset_multiple.rs renamed to benches/bench_offset_multiple.rs

@@ -7,9 +7,3 @@ cargo run --example offset_polyline
 ```
 
 ![](https://raw.githubusercontent.com/radevgit/offroad/refs/heads/main/examples/img/offset_polyline.svg "offset_polyline")
-
-```
-cargo run --example offset_multiple
-```
-
-![](https://raw.githubusercontent.com/radevgit/offroad/refs/heads/main/examples/img/offset_multiple.svg "offset_multiple")