modifying instructions on how to join - old method does not work anymore, found a new one to replace it
modifying instructions on how to join - old method does not work anymore, found a new one to replace it

heliophysicsPy/heliophysicsPy.github.io,heliophysicsPy/heliophysicsPy.github.io,heliophysicsPy/heliophysicsPy.github.io