docs/reference/api: more improvements to the page
docs/reference/api: more improvements to the page

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