Edraak-specific password_reset email

Card: https://trello.com/c/llmOc5ZN

Related Google Doc: [Email Content Wording](https://docs.google.com/a/qrf.org/document/d/1WH0Lhp8hpi2xyT8or35NF1neCW3bWoiP-cn_m55LSeM/edit#)