docs/releases/tsurud: add DigitalOcean support to 0.13.0 notes
docs/releases/tsurud: add DigitalOcean support to 0.13.0 notes

Can I haz droplets?

Endika/tsuru,ggarnier/tsuru,cezarsa/tsuru,ArxdSilva/tsuru,cezarsa/tsuru,ArxdSilva/tsuru,gwmoura/tsuru,guilhermebr/tsuru,guilhermebr/tsuru,gwmoura/tsuru,tsuru/tsuru,ggarnier/tsuru,gwmoura/tsuru,ArxdSilva/tsuru,ArxdSilva/tsuru,cezarsa/tsuru,cezarsa/tsuru,tsuru/tsuru,Endika/tsuru,tsuru/tsuru,ggarnier/tsuru,Endika/tsuru,tsuru/tsuru,guilhermebr/tsuru,guilhermebr/tsuru,ggarnier/tsuru