fix metal build

Author: hazelnutcloud

build.zig

@@ -224,6 +224,7 @@ pub fn build(b: *std.Build) !void {
         extension.linkFramework("MetalKit");
         extension.linkFramework("Foundation");
         extension.linkFramework("Accelerate");
+        b.installFile("llama.cpp/ggml-metal.metal", b.pathJoin(&.{ std.fs.path.basename(b.lib_dir), "ggml-metal.metal" }));
     } else {
         if (target.result.os.tag == .windows) {
             const vk_path = b.graph.env_map.get("VK_SDK_PATH") orelse @panic("VK_SDK_PATH not set");

godot/project.godot

@@ -11,6 +11,7 @@ config_version=5
 [application]
 
 config/name="godot-llama-cpp"
+run/main_scene="res://main.tscn"
 config/features=PackedStringArray("4.2", "Forward Plus")
 config/icon="res://icon.svg"