add missing path

Author: VisenDev

build.zig.zon

@@ -1,7 +1,7 @@
 .{
     .name = "ziglua",
     .version = "0.1.0",
-    .paths = .{ "build.zig", "build.zig.zon", "src", "license" },
+    .paths = .{ "build.zig", "build.zig.zon", "src", "license", "include" },
 
     .dependencies = .{
         // We do not use the lua.org version of Lua 5.1.5 because there is a known security issue