Update install docs

[JohnStarich]

No description provided.

[vazirim]

LGTM

[codecov]

Codecov Report

Merging #185 into master will increase coverage by 0.17%.
The diff coverage is 41.63%.

@@            Coverage Diff             @@
##           master     #185      +/-   ##
==========================================
+ Coverage   41.46%   41.63%   +0.17%     
==========================================
  Files          13        5       -8     
  Lines        1423      879     -544     
==========================================
- Hits          590      366     -224     
+ Misses        714      423     -291     
+ Partials      119       90      -29     

Impacted Files	Coverage Δ
controllers/configmap.go	0.00% <0.00%> (ø)
controllers/secret.go	17.85% <17.85%> (ø)
controllers/binding_controller.go	36.47% <36.47%> (ø)
controllers/service_controller.go	46.70% <46.70%> (ø)
controllers/token_controller.go	74.13% <74.13%> (ø)

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