Implement Layered Architecture

[rizalgowandy]

Segregate logic between storage, business, and controller domain.

[github-actions]

Code Metrics Report

	main (5658457)	#21 (8e48750)	+/-
Coverage	46.3%	43.9%	-2.4%
Code to Test Ratio	1:0.9	1:0.8	-0.1
Test Execution Time	24s	19s	-5s

Details

  |                     | main (5658457) | #21 (8e48750) |  +/-  |
  |---------------------|----------------|---------------|-------|
- | Coverage            |          46.3% |         43.9% | -2.4% |
  |   Files             |             18 |            19 |    +1 |
  |   Lines             |            415 |           433 |   +18 |
- |   Covered           |            192 |           190 |    -2 |
- | Code to Test Ratio  |          1:0.9 |         1:0.8 |  -0.1 |
  |   Code              |           1623 |          1630 |    +7 |
- |   Test              |           1387 |          1279 |  -108 |
+ | Test Execution Time |            24s |           19s |   -5s |

Code coverage of files in pull request scope (65.1% → 51.6%)

Files	Coverage	+/-
cronx.go	64.0%	-11.3%
cronx_history.go	0.0%	0.0%
cronx_status_sort.go	14.6%	+14.6%
job.go	84.9%	0.0%
page/status.go	100.0%	0.0%
server.go	22.0%	+6.1%
status.go	100.0%	0.0%

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Reported by octocov