Add a script to generate go code from proto files

[yeya24]

Signed-off-by: yeya24 [email protected]

What problem does this PR solve?

Add a script to generate go code from proto files.
We can easily run it via make proto

[cwen0]

LGTM

[cwen0]

@fewdan PTAL

[fewdan]

LGTM

[fewdan]

/merge

[sre-bot]

/run-all-tests

[codecov-io]

Codecov Report

Merging #519 into master will decrease coverage by 1.65%.
The diff coverage is 44.16%.

@@            Coverage Diff             @@
##           master     #519      +/-   ##
==========================================
- Coverage   61.39%   59.73%   -1.66%     
==========================================
  Files          64       68       +4     
  Lines        4069     4406     +337     
==========================================
+ Hits         2498     2632     +134     
- Misses       1383     1579     +196     
- Partials      188      195       +7     

Impacted Files	Coverage Δ
api/v1alpha1/iochaos_types.go	48.93% <0.00%> (+17.82%)	⬆️
api/v1alpha1/kernelchaos_types.go	19.14% <0.00%> (+14.70%)	⬆️
api/v1alpha1/networkchaos_types.go	23.52% <0.00%> (+4.87%)	⬆️
api/v1alpha1/podchaos_types.go	44.68% <0.00%> (+13.56%)	⬆️
api/v1alpha1/timechaos_types.go	23.07% <0.00%> (+13.07%)	⬆️
controllers/kernelchaos_controller.go	0.00% <0.00%> (ø)
controllers/podchaos/types.go	65.95% <0.00%> (ø)
controllers/stresschaos_controller.go	0.00% <0.00%> (ø)
pkg/chaosdaemon/netem_linux.go	26.66% <0.00%> (ø)
pkg/chaosdaemon/netlink_linux.go	0.00% <ø> (ø)
... and 36 more

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[sre-bot]

@yeya24 merge failed.