What is the value of \(\int_0^∞ \frac{1}{(1+x^4 )} dx\)?

• A. \(\frac{\sqrt{2} \pi}{4} \)
• B. \(\frac{\sqrt{3} \pi}{6} \)
• C. \(\frac{\sqrt{2} \pi}{6} \)
• D. \(\frac{\sqrt{3} \pi}{4} \)