runtime hooks

src/main.zig

@@ -33,17 +33,20 @@ pub fn main() !void {
     defer _ = gpa.detectLeaks();
     const alloc = gpa.allocator();
 
+    nu.init(alloc);
+    defer nu.deinit();
+
     try nu.Window.init(alloc);
     defer nu.Window.deinit();
 
     try nu.Render.init(alloc);
     defer nu.Render.deinit();
 
-    try nu.ImGui.init();
+    try nu.ImGui.init(alloc);
     defer nu.ImGui.deinit();
 
     try App.init(alloc);
     defer App.deinit();
 
-    try nu.run();
+    try nu.run(alloc);
 }