create tasks app for thunderbird

hi.

i need someone to create an tasks addon for mozilla thunderbird

1) it must open as a tab in thunderbird

2) features similiar to outlook tasks / lightning addon

- overview of tasks (full)

- monthly / weekly view

3) it must use ics format

4) this will be free app to be summited to mozilla. so all coding standards must be met

sorry forgot to leave out one detail

5) it must also sync with google tasks

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Project ID: #977824

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