Write Tutorial

[Bgeninatti]

Define levels and sections and write the game tutorial.

[Bgeninatti]

Some sections proposal:

1. Coding your first player
   i. The AbstractPlayer class
   ii. The parameters that receive the next_turn method: galaxy and context
   iii. What players see in the galaxy.
2. Han Solo: The random walker
   i. The move command
   ii. The galaxy.nearby_planets method.
3. A first approach to planet's colonization
   i. The three resources (pythonium, clans and megacredits)
   ii. The transfer command
4. Don't worry, be happy. About clans, taxes and happiness
   i. Introduce happypoints
   ii. The taxes command
   iii. The planet temperature and how relates to the max_happypoints
   iv. Clans growth (dclans)
   v. Taxes collection (dmegacredits)
   vi. Happiness changes (dhappypoints) and rioting_index.
5. Pythonium, what we are fighting for
   i. Pythonium extraction. concentration
   ii. max_mines, new_mines command and can_build_mines method
6. Gem, never a taxi
   i. Ships attributes: max_cargo, max_pythonium, max_mc, attack.
   ii. Ship types: Ship.WAR, Ship.CARRIER.
   iii. Building ships: can_build_ship method.
7. The art of war
   i. Ship to ship combats
   ii. Planet to ship combats