Add sorbet typing information to all the files

lib/done_todos.rb

@@ -1,3 +1,4 @@
+# typed: true
 class DoneTodos
 
 

lib/is_taggable.rb

@@ -1,3 +1,4 @@
+# typed: false
 # These methods are adapted from has_many_polymorphs' tagging_extensions
 
 module IsTaggable

lib/login_system.rb

@@ -1,3 +1,4 @@
+# typed: false
 require_dependency "user"
 
 module LoginSystem

lib/project_from_todo.rb

@@ -1,3 +1,4 @@
+# typed: true
 class ProjectFromTodo
   attr_reader :todo
 

lib/staleness.rb

@@ -1,3 +1,4 @@
+# typed: true
 require 'active_support/all'
 require 'user_time'
 

lib/todo_from_recurring_todo.rb

@@ -1,3 +1,4 @@
+# typed: true
 class TodoFromRecurringTodo
   attr_reader :user, :recurring_todo, :todo
 

lib/tracks/attribute_handler.rb

@@ -1,3 +1,4 @@
+# typed: true
 module Tracks
 
   class AttributeHandler

lib/tracks/config.rb

@@ -1,3 +1,4 @@
+# typed: true
 module Tracks
   
   class Config

lib/tracks/source_view.rb

@@ -1,3 +1,4 @@
+# typed: false
 # Inspiration from Bruce Williams [http://codefluency.com/articles/2006/07/01/rails-views-getting-in-context/]
 module Tracks
   

lib/user_time.rb

@@ -1,3 +1,4 @@
+# typed: true
 require 'active_support/values/time_zone'
 
 class UserTime