Angular + Node.js assignment by email. Backend: ● API: ○ [GET] /api/pets (Bonus) ■ Endpoint gets all pets from pets DB documents and sum of all pets ages (calculation must be at the code). ○ [POST] /api/pet ■ Endpoint adds pet to the pets DB document ● DB - MongoDB ○ Create Pets DB document ○ Pets should include ■ name ■ id ■ created_at ■ type(Dog, Cat, Horse, Other) ■ color (Black/White) ■ age