Update README.rst (#102)
Update README.rst (#102)

Reference: #102

This commit updates the README by appending our new contributors
and adding a new citation from NiaPy

Signed-off-by: ljvmiranda921 <410d1da25d5b43d72939b7bdbb36b34f44b31561@obf.ateneo.edu>

ljvmiranda921/pyswarms,ljvmiranda921/pyswarms