Lifecycle hook support

[eytan-avisror]

Fixes #175

TBD:

• Add unit tests
• Documentation
• BDD passing

[codecov]

Codecov Report

Merging #176 into master will decrease coverage by 0.71%.
The diff coverage is 84.00%.

@@            Coverage Diff             @@
##           master     #176      +/-   ##
==========================================
- Coverage   89.98%   89.26%   -0.72%     
==========================================
  Files          15       15              
  Lines        1717     1612     -105     
==========================================
- Hits         1545     1439     -106     
+ Misses        111      107       -4     
- Partials       61       66       +5     

Impacted Files	Coverage Δ
controllers/provisioners/config.go	70.90% <ø> (-3.08%)	⬇️
controllers/provisioners/eks/create.go	93.25% <0.00%> (-2.30%)	⬇️
controllers/provisioners/eks/update.go	91.82% <0.00%> (-1.71%)	⬇️
controllers/provisioners/eks/cloud.go	85.95% <60.00%> (-3.42%)	⬇️
controllers/provisioners/eks/helpers.go	89.21% <90.90%> (-0.34%)	⬇️
controllers/provisioners/eksfargate/types.go	83.33% <0.00%> (-6.67%)	⬇️
controllers/provisioners/eksmanaged/types.go	66.66% <0.00%> (-2.57%)	⬇️
... and 10 more

---

Continue to review full report at Codecov.

Legend - Click here to learn more
Δ = absolute <relative> (impact), ø = not affected, ? = missing data
Powered by Codecov. Last update e4b35f6...cbf763a. Read the comment docs.

[kevdowney]

LGTM