Added source files

build.zig

@@ -0,0 +1,18 @@
+const std = @import("std");
+
+pub fn build(b: *std.Build) void {
+    const target = b.standardTargetOptions(.{});
+    //const optimize = b.standardOptimizeOption(.{});
+    const optimize = std.builtin.OptimizeMode.ReleaseSafe;
+
+    const exe = b.addExecutable(.{
+        .name = "lister",
+        .root_source_file = b.path("src/main.zig"),
+        .target = target,
+        .optimize = optimize,
+    });
+
+    b.installArtifact(exe);
+}
+
+