moved old resources to /v2 - initialized docs for v3
Revert "moved old resources to /v2 - initialized docs for v3"

This reverts commit 30f12b308cfcea83a2f66821d1bb80a1d0c0869f.
updated paths (api.eyeem.com, cdn.eyeem.com).
updated readme.md
started updating model.md
added missing top level endpoints. model continued. errors.md checked.
Merge branch 'master' into public-master
missions model template
blablabla
readied auth. finished model, another readme update.
more minor fixes.
added news to model.
Added changelog, v3 planning doc, list of used endpoints.
more restructuring (notes folder) - update faulty internal links.
documented Apps, Venues.
fixed links.
complete object documentation - v3 notes.
file moved to folder
minor parameter mods.
added more v3 notes
updated discover response w/ primaryReason field
added /albums/collections endpoints (GET,POST)
renamed /albums/collections >>> /albums/onboarding