pwg: rework dynamic pads docs
pwg: rework dynamic pads docs

justinjoy/gstreamer,StreamUtils/gstreamer,jpakkane/gstreamer,lubosz/gstreamer,shelsonjava/gstreamer,collects/gstreamer,jpxiong/gstreamer,StreamUtils/gstreamer,surround-io/gstreamer,lovebug356/gstreamer,collects/gstreamer,krichter722/gstreamer,ensonic/gstreamer,cfoch/gstreamer,lovebug356/gstreamer,shelsonjava/gstreamer,lubosz/gstreamer,lovebug356/gstreamer,collects/gstreamer,lovebug356/gstreamer,krichter722/gstreamer,centricular/gstreamer,cfoch/gstreamer,jpakkane/gstreamer,Lachann/gstreamer,StreamUtils/gstreamer,krieger-od/gstreamer,lovebug356/gstreamer,justinjoy/gstreamer,Lachann/gstreamer,surround-io/gstreamer,jpakkane/gstreamer,ensonic/gstreamer,justinjoy/gstreamer,jpxiong/gstreamer,shelsonjava/gstreamer,cablelabs/gstreamer,justinjoy/gstreamer,Lachann/gstreamer,cablelabs/gstreamer,lubosz/gstreamer,krieger-od/gstreamer,centricular/gstreamer,cfoch/gstreamer,shelsonjava/gstreamer,lubosz/gstreamer,centricular/gstreamer,StreamUtils/gstreamer,jpxiong/gstreamer,StreamUtils/gstreamer,mparis/gstreamer,lubosz/gstreamer,surround-io/gstreamer,Lachann/gstreamer,surround-io/gstreamer,cablelabs/gstreamer,cfoch/gstreamer,cablelabs/gstreamer,jpakkane/gstreamer,krichter722/gstreamer,krieger-od/gstreamer,ensonic/gstreamer,krichter722/gstreamer,surround-io/gstreamer,jpakkane/gstreamer,mparis/gstreamer,ensonic/gstreamer,cablelabs/gstreamer,justinjoy/gstreamer,Lachann/gstreamer,krieger-od/gstreamer,mparis/gstreamer,centricular/gstreamer,krichter722/gstreamer,jpxiong/gstreamer,mparis/gstreamer,cfoch/gstreamer,centricular/gstreamer,ensonic/gstreamer,collects/gstreamer,mparis/gstreamer,jpxiong/gstreamer,collects/gstreamer,shelsonjava/gstreamer,krieger-od/gstreamer