Adds some instructions on how to run images locally.

[alexec]

No description provided.

[codecov-io]

Codecov Report

Merging #1121 into master will not change coverage.
The diff coverage is n/a.

@@           Coverage Diff           @@
##           master    #1121   +/-   ##
=======================================
  Coverage   37.24%   37.24%           
=======================================
  Files          53       53           
  Lines        7716     7716           
=======================================
  Hits         2874     2874           
+ Misses       4416     4413    -3     
- Partials      426      429    +3

Impacted Files	Coverage Δ
server/server.go	45.67% <0%> (-0.73%)	⬇️
util/webhook/webhook.go	44.94% <0%> (+3.37%)	⬆️

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