Prettify json in OpenShift Output Channel

[sudhirverma]

Fix: #819

[codecov]

Codecov Report

Merging #888 into master will decrease coverage by 1.69%.
The diff coverage is 91.66%.

@@            Coverage Diff            @@
##           master     #888     +/-   ##
=========================================
- Coverage   93.43%   91.73%   -1.7%     
=========================================
  Files          23       24      +1     
  Lines        1416     1464     +48     
  Branches      234      238      +4     
=========================================
+ Hits         1323     1343     +20     
- Misses         93      121     +28

Impacted Files	Coverage Δ
src/cli.ts	94.73% <91.66%> (-1.93%)	⬇️
src/openshift/component.ts	98.42% <0%> (-1.58%)	⬇️
src/extension.ts	75.57% <0%> (-0.81%)	⬇️
src/k8s/deployment.ts	12% <0%> (ø)

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[mohitsuman]

@sudhirverma Please share the changed output screenshot after this PR is applied.

[dgolovin]

@mohitsuman screenshots are added to the issue description.