feat(service): stdout logging

[rustatian]

Reason for This PR

• closes: #99

Description of Changes

• Add stdout writer to the service plugin

License Acceptance

By submitting this pull request, I confirm that my contribution is made under the terms of the MIT license.

PR Checklist

[Author TODO: Meet these criteria.] [Reviewer TODO: Verify that these criteria are met. Request changes if not]

• [x] All commits in this PR are signed (git commit -s).
• [x] The reason for this PR is clearly provided (issue no. or explanation).
• [x] The description of changes is clear and encompassing.
• [x] Any required documentation changes (code and docs) are included in this PR.
• [x] Any user-facing changes are mentioned in CHANGELOG.md.
• [x] All added/changed functionality is tested.

[codecov[bot]]

Codecov Report

Merging #131 (3daabb1) into master (4570721) will decrease coverage by 0.12%. The diff coverage is 100.00%.

@@            Coverage Diff             @@
##           master     #131      +/-   ##
==========================================
- Coverage   65.27%   65.14%   -0.13%     
==========================================
  Files         137      137              
  Lines       10907    10908       +1     
==========================================
- Hits         7119     7106      -13     
- Misses       3076     3088      +12     
- Partials      712      714       +2     

Impacted Files	Coverage Δ
service/process.go	92.92% <100.00%> (+0.07%)	:arrow_up:
tcp/handler/handler.go	51.35% <0.00%> (-6.09%)	:arrow_down:
boltdb/boltjobs/listener.go	58.49% <0.00%> (-5.67%)	:arrow_down:
sqs/sqsjobs/item.go	65.78% <0.00%> (-1.32%)	:arrow_down:
redis/pubsub/pubsub.go	72.86% <0.00%> (+2.32%)	:arrow_up:

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