Use TypeDoc to build documentation

[stijnklomp]

• Add TypeDoc as a dev dependency

[stijnklomp]

Discuss if this is necessary

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generating-documentation-for-typescript-projects

[stijnklomp]

Example of Typescript + TypeDoc:

/**
 * Calculates the square root of a number.
 *
 * @param x the number to calculate the root of.
 * @returns the square root if `x` is non-negative or `NaN` if `x` is negative.
 */
export function sqrt(x: number): number {
    return Math.sqrt(x);
}