Add Catalan (es_CA) translation
Add Catalan (es_CA) translation

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