Changed resolution, switched to LLVM backend, from selfhosted one

build.zig

@@ -69,6 +69,7 @@ pub fn build(b: *std.Build) void {
     // don't need and to put everything under a single module.
     const exe = b.addExecutable(.{
         .name = "base_road_network",
+        .use_llvm = true,
         .root_module = b.createModule(.{
             // b.createModule defines a new module just like b.addModule but,
             // unlike b.addModule, it does not expose the module to consumers of