Added a section to the README about using the archetype from the command line.

Signed-off-by: Atheriel <atheriel@gmail.com>
Fixed formatting and typos.

Signed-off-by: Atheriel <atheriel@gmail.com>
Added a section on building from source.

Signed-off-by: Atheriel <atheriel@gmail.com>
Small change to the building from source section.

Signed-off-by: Atheriel <atheriel@gmail.com>
Merge pull request #5 from atheriel/readme-changes

Added to the README