added docstring figure for peak_pick
added docstring figure for peak_pick

Cortexelus/librosa,Cortexelus/librosa,craffel/librosa,r9y9/librosa,carlthome/librosa,stefan-balke/librosa,r9y9/librosa,decebel/librosa,imsparsh/librosa,craffel/librosa,stefan-balke/librosa,imsparsh/librosa,ruohoruotsi/librosa,ruohoruotsi/librosa,carlthome/librosa,decebel/librosa,carlthome/librosa,r9y9/librosa,stefan-balke/librosa,yunque/librosa,yunque/librosa,Cortexelus/librosa,ruohoruotsi/librosa,craffel/librosa