battleship.js

Description

A simple Battleship game wrote in JavaScript.

There are 5 types of boats and 7 boats in total:
```
Game.numBoatTypes = 5;
Game.numBoatsPerType = [0, 2, 2, 1, 1, 1];
```
1. 2 boats occupying 1 cell
2. 2 boats occupying 2 cells
3. 1 boat occupying 3 cells
4. 1 boat occupying 4 cells
5. 1 boat occupying 5 cells
Boats have to be placed horizontally or vertically
Boats cannot be placed outside the 10x10 grid
Boats cannot be placed on another boat or around it (every boat has to be distanced one cell from the rest of the boats)