Initiated Zig Project for 2023 day02

.gitignore

@@ -3,3 +3,5 @@
 2022/day05/obj
 2023/day01/bin/Debug/net7.0
 2023/day01/obj
+zig-cache
+zig-out

2023/day02/build.zig

@@ -0,0 +1,9 @@
+const std = @import("std");
+
+pub fn build(b: *std.Build) void {
+    const exe = b.addExecutable(.{
+        .name = "main",
+        .root_source_file = .{ .path = "main.zig" },
+    });
+    b.installArtifact(exe);
+}

2023/day02/main.zig

@@ -0,0 +1,5 @@
+const std = @import("std");
+
+pub fn main() !void {
+    std.debug.print("Hello World!", .{});
+}