Proposed governance and maintenance policy

Below are the proposed governance and maintenance policy for Chef. :)
@jaymzh @jonlives oh yeah, i didnt knew core is considered as single component, i was under the impression that event dispatch, platform specific providers, solo, zero, run list expansions all being separate components. Initially we might keep functionally similar components in same bucket :-) . I just checked noah's google doc on the components, core as a whole, lead by a single LT will be too much