Update assignment.md
initial commit. Added root route
added table initializing sql file
moved around table initialization order to deal with id dependencies and created tables
added layout file and yield statement
created helper sql executor function
root lists todo tasks
hard coded some tasks
bundle installed
outputting tasks to root route
switch root route protocol to /todo route
changed /tasks route to /todos route
database 'returning nill' was a naming error. Fixed var-name bug
todos page now lists all the todos
fleshed out layout page to include link to todos page
added 'new todo' route and erb file'
began new todo form
completed simple task form without id assignment
added todo/:id route
todo/:id displays task details