LEWW-72 | structure and content updates + Leverage vs Competition section added

@exequielrafaela - LEWW-71 | updating roadmap section segregating leverage-cli from ref-arch - d2504cd
@exequielrafaela - LEWW-71 | adding details extention + path tree updates - 57e5711
@exequielrafaela - LEWW-71 | iac library specs updated + moving why leverage and why tech stack to general-concepts how it works section - 4c957ae
@exequielrafaela - LEWW-71 | re-organizing html files + new leverage-vs-competition one + content updates - c43ef04
@exequielrafaela - LEWW-71 | updating routes in multiple sections + minor content updates - 87899a3
@exequielrafaela - LEWW-71 | updates section modified - must be completed at the end of august - fb21500

binbashar / le-ref-architecture-doc