feat: client apis to interact with the konnect applications

[reversearrow]

Add Client APIs to interact with the Konnect Applications.

[codecov-commenter]

Codecov Report

Attention: Patch coverage is 55.55556% with 28 lines in your changes missing coverage. Please review.

Project coverage is 55.16%. Comparing base (2ca5c65) to head (2b749ce).

Files with missing lines	Patch %	Lines
kong/konnect_application_service.go	54.83%	19 Missing and 9 partials ⚠️

Additional details and impacted files

@@           Coverage Diff           @@
##             main     #490   +/-   ##
=======================================
  Coverage   55.15%   55.16%           
=======================================
  Files          71       72    +1     
  Lines        5691     5754   +63     
=======================================
+ Hits         3139     3174   +35     
- Misses       1935     1954   +19     
- Partials      617      626    +9     

Flag	Coverage Δ
2.1	33.03% <1.58%> (-0.35%)	⬇️
2.2	43.39% <1.58%> (-0.47%)	⬇️
2.3	43.95% <1.58%> (-0.47%)	⬇️
2.4	44.02% <1.58%> (-0.47%)	⬇️
2.5	44.02% <1.58%> (-0.47%)	⬇️
2.6	44.02% <1.58%> (-0.47%)	⬇️
2.7	45.48% <1.58%> (-0.49%)	⬇️
2.8	45.48% <1.58%> (-0.49%)	⬇️
3.0	48.99% <1.58%> (-0.53%)	⬇️
3.1	50.31% <1.58%> (-0.54%)	⬇️
3.2	50.31% <1.58%> (-0.54%)	⬇️
3.3	50.31% <1.58%> (-0.54%)	⬇️
3.4	52.31% <1.58%> (-0.57%)	⬇️
3.5	50.48% <1.58%> (-0.55%)	⬇️
3.6	51.07% <55.55%> (+0.04%)	⬆️
3.7	51.07% <55.55%> (+0.04%)	⬆️
3.8	52.65% <55.55%> (+0.03%)	⬆️
community	41.17% <1.58%> (-0.44%)	⬇️
enterprise	53.77% <55.55%> (+0.01%)	⬆️
integration	55.16% <55.55%> (+<0.01%)	⬆️

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[pmalek]

Please make sure to add a changelog entry.

Other than those minor nits this looks good 👍