What are the guidelines for contributing?

TID(s):

Controller: 0.343s

Template: 0.013s

Cost: br=1.0, cc=0.564, ch=0.0, cm=0.0, cm+h=0.0, cr=0.0, cs=13.0, cw=9.0, dr=2545.0, dt=1.143, dw=0.0, gqr=0.0, in=1677.0, ir=25.0, iw=0.0, lh=0.0, lm=2.0, lr=2.0, mcs=0.007, mcu=0.112, minflt=274.0, mr=9.0, nivcsw=53, nreqs=18.0, nvcsw=50.0, pf=0.0, pr=0.0, stime=0.032, te=0.129, tf=0.494, tg=0.487, tm=0.607, tr=0.027, ts=0.0, tu=0.02, utime=0.532, va=5996.0