docs: update tsuru client link to 0.2.1
docs: update tsuru client link to 0.2.1

ArxdSilva/tsuru,tuxmonteiro/tsuru,kgrvamsi/tsuru,ArxdSilva/tsuru,ArxdSilva/tsuru,ggarnier/tsuru,cgvarela/tsuru,gciotta/tsuru,mderaldo/tsuru,mderaldo/tsuru,cezarsa/tsuru,cezarsa/tsuru,gwmoura/tsuru,cgvarela/tsuru,jblancett/tsuru,hcxiong/tsuru,kgrvamsi/tsuru,hugoantunes/tsuru,guilhermebr/tsuru,RichardKnop/tsuru,gciotta/tsuru,guilhermebr/tsuru,tuxmonteiro/tsuru,tuxmonteiro/tsuru,gciotta/tsuru,jblancett/tsuru,Endika/tsuru,hugoantunes/tsuru,cgvarela/tsuru,tsuru/tsuru,hcxiong/tsuru,Endika/tsuru,firebitsbr/tsuru,ggarnier/tsuru,tsuru/tsuru,ggarnier/tsuru,gwmoura/tsuru,4eek/tsuru,cezarsa/tsuru,firebitsbr/tsuru,RichardKnop/tsuru,guilhermebr/tsuru,firebitsbr/tsuru,jblancett/tsuru,tsuru/tsuru,RichardKnop/tsuru,tsuru/tsuru,guilhermebr/tsuru,ArxdSilva/tsuru,4eek/tsuru,kgrvamsi/tsuru,ggarnier/tsuru,cezarsa/tsuru,4eek/tsuru,hcxiong/tsuru,gwmoura/tsuru,Endika/tsuru,mderaldo/tsuru