chore: checkpoint before Python removal

vendor/iri-string/examples/flamegraph-resolve.rs

@@ -0,0 +1,17 @@
+#![cfg(feature = "alloc")]
+use iri_string::format::ToDedicatedString;
+use iri_string::types::{IriAbsoluteStr, IriReferenceStr};
+
+fn main() {
+    let base = IriAbsoluteStr::new("https://sub.example.com/foo1/foo2/foo3/foo4/foo5")
+        .expect("should be valid IRI");
+    let rel = IriReferenceStr::new(concat!(
+        "bar1/bar2/bar3/../bar4/../../bar5/bar6/bar7/../../../../..",
+        "/bar8/../../../bar9/././././././bar10/bar11",
+    ))
+    .expect("should be valid IRI");
+    for _ in 0..1000000 {
+        let resolved = rel.resolve_against(base).to_dedicated_string();
+        drop(resolved);
+    }
+}