bug 957802 - Improve format of new theme documentation
bug 957802 - Improve format of new theme documentation

Convert steps to full sentences.
jwhitlock/kuma,mozilla/kuma,jwhitlock/kuma,Elchi3/kuma,safwanrahman/kuma,safwanrahman/kuma,a2sheppy/kuma,yfdyh000/kuma,mozilla/kuma,safwanrahman/kuma,yfdyh000/kuma,a2sheppy/kuma,jwhitlock/kuma,mozilla/kuma,jwhitlock/kuma,Elchi3/kuma,yfdyh000/kuma,SphinxKnight/kuma,a2sheppy/kuma,escattone/kuma,safwanrahman/kuma,mozilla/kuma,yfdyh000/kuma,escattone/kuma,SphinxKnight/kuma,safwanrahman/kuma,Elchi3/kuma,Elchi3/kuma,SphinxKnight/kuma,a2sheppy/kuma,yfdyh000/kuma,escattone/kuma,jwhitlock/kuma,SphinxKnight/kuma,mozilla/kuma,Elchi3/kuma,safwanrahman/kuma,SphinxKnight/kuma,yfdyh000/kuma,SphinxKnight/kuma,a2sheppy/kuma