feat: add meta flags and options for common logic and data

[adohe]

What type of PR is this?

/kind feature

What this PR does / why we need it:

add meta flags and options for common logic and data

Which issue(s) this PR fixes:

Fixes #788

Special notes for your reviewer:

Does this PR introduce a user-facing change?

Additional documentation e.g., design docs, usage docs, etc.:

[coveralls]

Pull Request Test Coverage Report for Build 8585777817

Details

• 4 of 75 (5.33%) changed or added relevant lines in 7 files are covered.
• 92 unchanged lines in 4 files lost coverage.
• Overall coverage decreased (-1.0%) to 56.976%

---

Changes Missing Coverage	Covered Lines	Changed/Added Lines	%
pkg/project/paths.go	1	7	14.29%
pkg/cmd/cmd.go	0	8	0.0%
pkg/cmd/generate/generate.go	0	16	0.0%
pkg/cmd/meta/meta.go	0	41	0.0%

Files with Coverage Reduction	New Missed Lines	%
pkg/engine/operation/watch.go	1	85.93%
pkg/cmd/profiling.go	4	0.0%
pkg/cmd/generate/generate.go	20	11.02%
pkg/cmd/cmd.go	67	0.0%

Totals
Change from base Build 8579085553:	-1.0%
Covered Lines:	7053
Relevant Lines:	12379

---

💛 - Coveralls

[liu-hm19]

lgtm