https://fullstackopen.com/en/#course-contents
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Day 1 - Begin Part 0 - a & b
Day 2 - Still linger on Part 0b
Day 3 - Arrive to Exercise P0.b_0.1-0.6
Day 4 - Read Part 1 & read more sources on React (w3schools.com)
Day 5 - Complete Exercise 1.1 & 1.2
Day 6 - Read Part 1 - a to d
Day 7 - Complete Exercise 1.6 to 1.11
Day 8 - Revise and improve Exercise 1.6 to 1.11
Day 9 -