refactor stub

src/App.zig

@@ -0,0 +1,16 @@
+const std = @import("std");
+const nu = @import("nu.zig");
+
+const Self = @This();
+
+pub fn init(alloc: std.mem.Allocator, render: *nu.Render, imgui: *nu.ImGui) !Self {
+    _ = alloc;
+    _ = render;
+    _ = imgui;
+
+    return .{};
+}
+
+pub fn deinit(self: *Self) void {
+    _ = self;
+}