Add stream reconciler

[s-vitaliy]

Fixes/Implements #.

Scope

Implemented:

• Awesome new feature
• And another awesome new feature

Additional changes:

• Refactored AwesomeClass
• Removed deprecated AnotherClass and get_awesomeness from AwesomeClass

Checklist

• GitHub issue exists for this change.
• Unit tests added and they pass.
• Line Coverage is at least 80%.
• Review requested on latest commit.

[github-actions]

go-test-coverage report:

  below threshold:				coverage:	threshold:
  configuration/configuration.go		 0.0% (0/18)	70%
  services/environment_configurator.go		53.8% (7/13)	70%
  telemetry/app_metrics.go			 0.0% (0/9)	70%

Package coverage threshold (70%) satisfied:	FAIL
  below threshold:				coverage:	threshold:
  configuration					 0.0% (0/18)	70%
  services					53.8% (7/13)	70%
  telemetry					 0.0% (0/9)	70%

Total coverage threshold (75%) satisfied:	FAIL
Total test coverage: 68.2% (247/362)

Files with uncovered lines:
  file:								coverage:	uncovered lines:
  configuration/configuration.go				0%		17-20 22-24 27-36 39-41 43-47 52-55 60
  services/controllers/stream/stream_definition.go		80%		71-73
  services/controllers/stream/stream_reconciler.go		72.9%		42-44 46-49 52-55 58-60 65-68 107-108 118-122 130-132 142-144 150-153 155-158 160 166-169 173-176 182-184 187-189 196-198 203-205 207-209 219-221 231-233 238-240 248-250 253-255 261-263 266-268 275-277 294-297 315-318 321-324
  services/controllers/stream/streaming_job.go			87.5%		12-14
  services/controllers/stream/unstructured_wrapper.go		72.5%		46-48 50-52 55-57 67-70 72-75 84-86 144-146 149-151 154-156 159-161 164-166 173-175 177-179 182-184 187-189 197-202 209-211 213-215 222-227
  services/controllers/stream_class/stream_class_reconciler.go	79.4%		40-42 47-49 67-70 90-93 98-106 141-144
  services/environment_configurator.go				53.8%		24-31 33-36
  telemetry/app_metrics.go					0%		18-22 24 53-56 60-63 65