it took a while but my theme that im using and the layout is veryusefull , i followed this video .. if i hadnīt found this video i would have probably switched to another daw because of the impractical layout , should be the satndard layout for reaper TBH . you get a sidebar with big fader like in cubase or logic
tutorial
https://www.youtube.com/watch?v=NKRQHzjqSPM
screenshot from my pc