Add sciter from separate repo

packages/sciter/build.zig

@@ -0,0 +1,40 @@
+const std = @import("std");
+
+pub fn build(b: *std.Build) void {
+    const target = b.resolveTargetQuery(.{
+        .cpu_arch = .x86_64,
+        .os_tag = .windows,
+        .abi = .msvc,
+    });
+    const optimize = b.standardOptimizeOption(.{});
+
+    const zigwin32 = b.dependency("zigwin32", .{});
+    const zigwin32_mod = zigwin32.module("win32");
+    zigwin32_mod.resolved_target = target;
+    zigwin32_mod.optimize = optimize;
+
+    const exe_mod = b.createModule(.{
+        .root_source_file = b.path("src/main.zig"),
+        .target = target,
+        .optimize = optimize,
+    });
+
+    exe_mod.addImport("win32", zigwin32_mod);
+
+    const exe = b.addExecutable(.{
+        .name = "sciter",
+        .root_module = exe_mod,
+    });
+
+    b.installArtifact(exe);
+    b.getInstallStep().dependOn(&b.addInstallBinFile(b.path("vendor/sciter.dll"), "sciter.dll").step);
+
+    const run_cmd = b.addRunArtifact(exe);
+    run_cmd.step.dependOn(b.getInstallStep());
+    if (b.args) |args| {
+        run_cmd.addArgs(args);
+    }
+
+    const run_step = b.step("run", "Run the app");
+    run_step.dependOn(&run_cmd.step);
+}