~evanj/cms

ref: 5eb977545bd0bfaacf289952a8b7f5a273168ab6 cms/pkg d---------
Feat(pkg/e3): Complete testing for E3 client code.
Chore(e3/defaultDepth/redirect): Slight changes. Moving things around.
Feat(go.mod): Dependency cleanup. Removed some.
Feat(private files): Upload files to E3 as private.
Feat(e3): Making E3 integration better. Adding tests. Potentially use as
future ref to pointer users toward to help them implement E3.
WIP(*): Project init.
Feat(*): Project init.