Reorganise/add to footer (#2690)
Reorganise/add to footer (#2690)

* Reorganise/add to footer

* Update PEP 541 link

* Add CoC and Privacy Policy links

pypa/warehouse,dstufft/warehouse,pypa/warehouse,dstufft/warehouse,pypa/warehouse,dstufft/warehouse,dstufft/warehouse,pypa/warehouse