Add Ring class Topology
Add Ring class Topology

This commit adds the Ring class topology for the LocalBestPSO
implementation. In the next iteration, we should start considering
having a strict number of neighbors (static and dynamic). But let's
solve the BinaryPSO first before going there.

Signed-off-by: Lester James V. Miranda <0fcd6cb7b940f870a2858a36ed4ad82651772677@gmail.com>

ljvmiranda921/pyswarms,ljvmiranda921/pyswarms