Migrate iai-callgrind to the renamed successor gungraun (#4056)

* Add .nvim.lua to gitignore

* Migrate from iai-callgrind to the renamed successor gungraun

---------

Co-authored-by: Dennis Kobert <dennis@kobert.dev>

node-graph/graph-craft/benches/compile_demo_art_gungraun.rs

@@ -0,0 +1,13 @@
+use graph_craft::document::NodeNetwork;
+use graph_craft::util::*;
+use gungraun::prelude::*;
+
+#[library_benchmark]
+#[benches::with_setup(args = ["isometric-fountain", "painted-dreams", "procedural-string-lights", "parametric-dunescape", "red-dress", "valley-of-spires"], setup = load_from_name)]
+pub fn compile_to_proto(_input: NodeNetwork) {
+	std::hint::black_box(compile(_input));
+}
+
+library_benchmark_group!(name = compile_group; benchmarks = compile_to_proto);
+
+main!(library_benchmark_groups = compile_group);