WL-177: Adding annotations api
WL-177: Adding annotations api

Alex-Radu/mendeley-javascript-sdk,paulwib/mendeley-javascript-sdk,customcommander/mendeley-javascript-sdk,massa84/mendeley-javascript-sdk,charliehw/mendeley-javascript-sdk,customcommander/mendeley-javascript-sdk,Mendeley/mendeley-javascript-sdk,charliehw/mendeley-javascript-sdk