Added Fonts readme details and links to Sweet16 font. (#2085)
Added Fonts readme details and links to Sweet16 font. (#2085)

ocornut/imgui,cmaughan/imgui,ggtucker/imgui,dougbinks/imgui,burningreggae/imgui,aimotive/imgui-glfw,bkaradzic/imgui,ggtucker/imgui,ggtucker/imgui,cmaughan/imgui,burningreggae/imgui,nProtect/imgui,nProtect/imgui,ocornut/imgui,Flix01/imgui,ocornut/imgui,nProtect/imgui,Flix01/imgui,Flix01/imgui,cmaughan/imgui,dougbinks/imgui,bkaradzic/imgui,aimotive/imgui-glfw,cmaughan/imgui,bkaradzic/imgui