cf: move examples to more obvious directory

Signed-off-by: Sami Kerola <kerolasa@iki.fi>
cf.template: add files for quick bootstrap

The 'cf.template' is intented to be used as a directory which can be
moved to name 'cf', and it has good starting point for a user.

Signed-off-by: Sami Kerola <kerolasa@iki.fi>
.gitignore: ignore stuff which is build

Signed-off-by: Sami Kerola <kerolasa@iki.fi>