Support patch service

[subicura]

Current version is only support create service. Fix it.

[codecov-io]

Codecov Report

Merging #42 into master will decrease coverage by 0.09%.
The diff coverage is 0%.

@@            Coverage Diff            @@
##           master      #42     +/-   ##
=========================================
- Coverage   32.63%   32.54%   -0.1%     
=========================================
  Files          33       33             
  Lines        2819     2827      +8     
=========================================
  Hits          920      920             
- Misses       1786     1794      +8     
  Partials      113      113

Impacted Files	Coverage Δ
internal/ingress/controller/kong.go	0% <0%> (ø)	⬆️

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[devdavidkarlsson]

How is the support for patch routes, upstreams etc?

[aledbf]

@subicura thanks!

[subicura]

@aledbf Thanks!