add show action view file
add show action and link to show page on root page
add create project action
setting validation and add error messages
add edit action and form refactoring
add delete action
add set_project module and add set before_action
create task model and set task done column default value false
create tasks controller and other utilith files
set associasion to project model and set route task
fix project model bug
add task create form
add create task action and set validate
add task destroy action