docs: minor documentation fixes for recently-added tags
docs: minor documentation fixes for recently-added tags

Mention the type of the tag in the gtk-doc blurb, so people know
which accessor API to use, and fix up the doc blurbs to match the
actual tag define.

lubosz/gstreamer,ensonic/gstreamer,shelsonjava/gstreamer,justinjoy/gstreamer,jpxiong/gstreamer,ylatuya/gstreamer,Distrotech/gstreamer,ylatuya/gstreamer,jpakkane/gstreamer,Lachann/gstreamer,justinjoy/gstreamer,ensonic/gstreamer,ahmedammar/platform_external_gst_gstreamer,surround-io/gstreamer,cfoch/gstreamer,collects/gstreamer,cablelabs/gstreamer,justinjoy/gstreamer,ahmedammar/platform_external_gst_gstreamer,StreamUtils/gstreamer,justinjoy/gstreamer,centricular/gstreamer,jpakkane/gstreamer,lubosz/gstreamer,ahmedammar/platform_external_gst_gstreamer,cfoch/gstreamer,krieger-od/gstreamer,krichter722/gstreamer,drothlis/gstreamer,jpakkane/gstreamer,ahmedammar/platform_external_gst_gstreamer,collects/gstreamer,ylatuya/gstreamer,StreamUtils/gstreamer,Distrotech/gstreamer,cablelabs/gstreamer,magcius/gstreamer,krieger-od/gstreamer,surround-io/gstreamer,krieger-od/gstreamer,drothlis/gstreamer,cablelabs/gstreamer,mparis/gstreamer,mrchapp/gstreamer,justinjoy/gstreamer,collects/gstreamer,cablelabs/gstreamer,cfoch/gstreamer,mparis/gstreamer,ensonic/gstreamer,lovebug356/gstreamer,cfoch/gstreamer,krieger-od/gstreamer,drothlis/gstreamer,Lachann/gstreamer,shelsonjava/gstreamer,magcius/gstreamer,Lachann/gstreamer,centricular/gstreamer,ahmedammar/platform_external_gst_gstreamer,shelsonjava/gstreamer,jpxiong/gstreamer,drothlis/gstreamer,jpakkane/gstreamer,lovebug356/gstreamer,mparis/gstreamer,shelsonjava/gstreamer,drothlis/gstreamer,Distrotech/gstreamer,lubosz/gstreamer,krichter722/gstreamer,lovebug356/gstreamer,magcius/gstreamer,surround-io/gstreamer,mrchapp/gstreamer,mrchapp/gstreamer,centricular/gstreamer,cablelabs/gstreamer,krichter722/gstreamer,magcius/gstreamer,Distrotech/gstreamer,lovebug356/gstreamer,lubosz/gstreamer,StreamUtils/gstreamer,mrchapp/gstreamer,centricular/gstreamer,mparis/gstreamer,krieger-od/gstreamer,jpxiong/gstreamer,mparis/gstreamer,ensonic/gstreamer,shelsonjava/gstreamer,jpxiong/gstreamer,jpxiong/gstreamer,surround-io/gstreamer,jpakkane/gstreamer,krichter722/gstreamer,krichter722/gstreamer,cfoch/gstreamer,StreamUtils/gstreamer,Lachann/gstreamer,Lachann/gstreamer,ensonic/gstreamer,lubosz/gstreamer,collects/gstreamer,collects/gstreamer,magcius/gstreamer,lovebug356/gstreamer,Distrotech/gstreamer,ylatuya/gstreamer,StreamUtils/gstreamer,mrchapp/gstreamer,surround-io/gstreamer,centricular/gstreamer,ylatuya/gstreamer