add newline for output

src/main.zig

@@ -35,7 +35,7 @@ const SpeechHandler = struct {
         var stdout_writer = std.fs.File.stdout().writer(&stdout_buffer);
         const stdout = &stdout_writer.interface;
         defer stdout.flush() catch std.log.warn("Caught error writing speech data to stdout", .{});
-        stdout.print("[{}] Speech {}->{?s}: {s}", .{
+        stdout.print("[{}] Speech {}->{?s}: {s}\n", .{
             timestamp,
             self.speech_count,
             self.exec_program,