Update .gitignore
Update .gitignore

PeterDaveHello/hackmd,ironhack/hackmd,janniklorenz/HackMD,janniklorenz/HackMD,jackycute/HackMD,jccrofty30/hackmd,janniklorenz/HackMD,Rory80Hz/hackmd,hackmdio/hackmd,jccrofty30/hackmd,jackycute/HackMD,ironhack/hackmd,Yukaii/hackmd,Yukaii/hackmd,ironhack/hackmd,PeterDaveHello/hackmd,Rory80Hz/hackmd,Yukaii/hackmd,hackmdio/hackmd,Rwing/hackmd,xnum/hackmd,Rwing/hackmd,aswathyjacob8/newtest,PeterDaveHello/hackmd,jackycute/HackMD,aswathyjacob8/newtest,jccrofty30/hackmd,xnum/hackmd,hackmdio/hackmd,aswathyjacob8/newtest,Rwing/hackmd,Rory80Hz/hackmd,xnum/hackmd