added database.yml to git ignore
added rvm files in gitignore
WIP Reminders API
added listing reminder api and destroy api
added reminders create API
not required for now
fixed test cases for including validations
updated reminder destroy method
refacotring
WIP update reminder
added time validation and update reminder api
added create and update reminder json structures
aded timezone and updated create logic for multiple daily, weekly and monthly
WIP status of reminders
added pry-debugger
merged reminders
disabled reminders except create reminders