update docs for developer key UI
update docs for developer key UI

Change-Id: I52940238088645f6db4f07a5294d484b7ed8a6a9
Reviewed-on: https://gerrit.instructure.com/12675
Tested-by: Jenkins <d95b56ce41a2e1ac4cecdd398defd7414407cc08@instructure.com>
Reviewed-by: Brian Whitmer <760e7dab2836853c63805033e514668301fa9c47@instructure.com>

arrivu/hiring-site,wrdsb/canvas-lms,landonwilkins/canvas-lms,redconfetti/canvas-lms,eCNAP/CANVAS,roxolan/canvas-lms,djbender/canvas-lms,arrivu/jigsaw-lms,snehakachroo1/LSI_replica,SwinburneOnline/canvas-lms,rup/Tarrax,usmschuck/canvas,parbros/red-innovadores-lms,wrdsb/canvas-lms,greyhwndz/canvas-lms,HotChalk/canvas-lms,juoni/canvas-lms,matematikk-mooc/canvas-lms,fronteerio/canvas-lms,HotChalk/canvas-lms,loganrun/pincan,merichar/canvas-lms,roxolan/canvas-lms,wimemx/Canvas,kyroskoh/canvas-lms,ShreniiNepal/shrenii_lmp,roxolan/canvas-lms,wimemx/Canvas,narigone/canvas,instructure/canvas-lms,ankithbti/canvas_lms,wimemx/Canvas,Jyaasa/canvas-lms,sdeleon28/canvas-lms,samuels410/greatlakes-lms,snehakachroo1/LSI_replica,instructure/canvas-lms,Rvor/canvas-lms,instructure/canvas-lms,kyroskoh/canvas-lms,icelab/canvas,skmezanul/canvas-lms,tgroshon/canvas-lms,instructure/canvas-lms,jay3126/canvas-lms,kyroskoh/canvas-lms,fronteerio/canvas-lms,nditech/red-innovadores-lms,wrdsb/canvas-lms,jay3126/canvas-lms,redconfetti/canvas-lms,redconfetti/canvas-lms,juoni/canvas-lms,rup/Tarrax,dgynn/canvas-lms,arrivu/hoodemo,arrivu/qibla-ecampus,utkarshx/canvas-lms,narigone/canvas,Rvor/canvas-lms,shidao-fm/canvas-lms,whalejasmine/canvas-lms,djbender/canvas-lms,arrivu/arrivu-lms,skmezanul/canvas-lms,antoniuslin/canvas-lms,matematikk-mooc/canvas-lms,gbleydon/canvas-lms,tgroshon/canvas-lms,icelab/canvas,Unow/ins,shidao-fm/canvas-lms,jay3126/canvas-lms,ankithbti/canvas_lms,eCNAP/CANVAS,djbender/canvas-lms,AndranikMarkosyan/lms,sli7246/canvas_branch,arrivu/hoodemo,snehakachroo1/LSI_replica,utkarshx/canvas-lms,matematikk-mooc/canvas-lms,eCNAP/CANVAS,va7map/canvas-lms,loganrun/pincan,landonwilkins/canvas-lms,va7map/canvas-lms,ShreniiNepal/shrenii_lmp,arrivu/arrivu-lms,HotChalk/canvas-lms,arrivu/arrivu-lms,parbros/red-innovadores-lms,redconfetti/canvas-lms,usmschuck/canvas,efrj/canvas-lms,juoni/canvas-lms,Jyaasa/canvas-lms,sfu/canvas-lms,sfu/canvas-lms,grahamb/canvas-lms,dgynn/canvas-lms,fronteerio/canvas-lms,venturehive/canvas-lms,antoniuslin/canvas-lms,dgynn/canvas-lms,narigone/canvas,merichar/canvas-lms,grahamb/canvas-lms,wye0220/shindig-canvas,whalejasmine/canvas-lms,wye0220/shindig-canvas,leftplusrightllc/canvas-lms,instructure/canvas-lms,nditech/red-innovadores-lms,sfu/canvas-lms,djbender/canvas-lms,shidao-fm/canvas-lms,landonwilkins/canvas-lms,efrj/canvas-lms,efrj/canvas-lms,SwinburneOnline/canvas-lms,whalejasmine/canvas-lms,nditech/red-innovadores-lms,juoni/canvas-lms,skmezanul/canvas-lms,grahamb/canvas-lms,leftplusrightllc/canvas-lms,SwinburneOnline/canvas-lms,venturehive/canvas-lms,antoniuslin/canvas-lms,arrivu/jigsaw-lms,roxolan/canvas-lms,sli7246/canvas_branch,samuels410/greatlakes-lms,AndranikMarkosyan/lms,shidao-fm/canvas-lms,HotChalk/canvas-lms,loganrun/pincan,Unow/canvas-lms,instructure/canvas-lms,narigone/canvas,utkarshx/canvas-lms,Jyaasa/canvas-lms,sdeleon28/canvas-lms,arrivu/jigsaw-lms,whalejasmine/canvas-lms,antoniuslin/canvas-lms,va7map/canvas-lms,greyhwndz/canvas-lms,Unow/ins,grahamb/canvas-lms,sfu/canvas-lms,samuels410/greatlakes-lms,SwinburneOnline/canvas-lms,sdeleon28/canvas-lms,Unow/canvas-lms,sdeleon28/canvas-lms,icelab/canvas,sfu/canvas-lms,kyroskoh/canvas-lms,sfu/canvas-lms,AndranikMarkosyan/lms,greyhwndz/canvas-lms,Jyaasa/canvas-lms,efrj/canvas-lms,instructure/canvas-lms,gbleydon/canvas-lms,tgroshon/canvas-lms,arrivu/hoodemo,ShreniiNepal/shrenii_lmp,Unow/ins,arrivu/hiring-site,arrivu/qibla-ecampus,utkarshx/canvas-lms,va7map/canvas-lms,Rvor/canvas-lms,matematikk-mooc/canvas-lms,Unow/canvas-lms,Rvor/canvas-lms,tgroshon/canvas-lms,landonwilkins/canvas-lms,sli7246/canvas_branch,usmschuck/canvas,rup/Tarrax,venturehive/canvas-lms,jay3126/canvas-lms,merichar/canvas-lms,sfu/canvas-lms,gbleydon/canvas-lms,dgynn/canvas-lms,wye0220/shindig-canvas,snehakachroo1/LSI_replica,grahamb/canvas-lms,skmezanul/canvas-lms,wrdsb/canvas-lms,arrivu/hiring-site,ankithbti/canvas_lms,parbros/red-innovadores-lms,usmschuck/canvas,leftplusrightllc/canvas-lms,fronteerio/canvas-lms,venturehive/canvas-lms,greyhwndz/canvas-lms,samuels410/greatlakes-lms,AndranikMarkosyan/lms,eCNAP/CANVAS,ShreniiNepal/shrenii_lmp,leftplusrightllc/canvas-lms,arrivu/qibla-ecampus,nditech/red-innovadores-lms