The Todo App is a web application that runs locally and is used to track Todo's. It shouldn't run in the cloud. I should use the local browser storage. 
If feasible it should be password protected, but it still should run locally.
It should contain the following fields:
- A unique identifier that is autoincremented and can't be changed
- The creation date (that date should be filled in automatically, but the user should be able to change it)
- The next date on which the user plans to work on the said task
- The due date for the task
- A status field:
	- Busy
	- Done
	- W4A
	- (Blank)
- Urgent
	- The options are numbers from 1 to 7
- Importance
	- The options are numbers from 1 to 7
- Prio
	- Result of the multiplication of Urgent and Importance
- Time estimation
	- Expressed in minutes
- Actual time spent on the task
- Category
	- The user should be able to fill in categories, but as the user types proposal of the existing categories are made
- Task description
	- Text field
- Coms filed
	- Data type = url
- Link field
	- Data type = url
- Comments
- Link with other tasks