[SKCP-16] Added Definition of Done to readme
[SKCP-16] Added Definition of Done to readme

InternationalMixMob/CSCI-E-71_IMM_Slacker_Cordova_Plugin,InternationalMixMob/CSCI-E-71_IMM_Slacker_Cordova_Plugin,InternationalMixMob/CSCI-E-71_IMM_Slacker_Cordova_Plugin