Merge pull request #11 from Usman011/feature/oauth

implements oauth

Merge pull request #10 from Usman011/feature/api-fetch-handler

resolves build issue

creates api fetch handler

Merge pull request #9 from Usman011/feature/creates-user-and-account-routes

resolves build issues

creates route of get account by provider id

creates user and account routes

Merge pull request #8 from Usman011/feature/art-of-failing-gracefully

removes unused code

implements error handling and logger

implements error handling

Merge pull request #7 from Usman011/feature/backend-setup-and-create-models

creates user, vote, tag, tag-question, question, interaction, collection, answer and account model