feat: handle accept proposal event

[ngoctrng]

Code Metrics Report

	master (ebc497a)	#10 (a744480)	+/-
Coverage	63.5%	66.6%	+3.1%
Code to Test Ratio	1:0.5	1:0.5	+0.0
Test Execution Time	56s	18s	-38s

Details

  |                     | master (ebc497a) | #10 (a744480) |  +/-  |
  |---------------------|------------------|---------------|-------|
+ | Coverage            |            63.5% |         66.6% | +3.1% |
  |   Files             |               27 |            29 |    +2 |
  |   Lines             |              384 |           450 |   +66 |
+ |   Covered           |              244 |           300 |   +56 |
+ | Code to Test Ratio  |            1:0.5 |         1:0.5 |  +0.0 |
  |   Code              |             2503 |          2870 |  +367 |
+ |   Test              |             1300 |          1517 |  +217 |
+ | Test Execution Time |              56s |           18s |  -38s |

Code coverage of files in pull request scope (80.1% → 81.9%)

Files	Coverage	+/-	Status
internal/book/book.go	100.0%	+100.0%	modified
internal/book/repository/repository.go	88.3%	-2.2%	modified
internal/book/repository/schemas.go	100.0%	+50.0%	modified
internal/book/tasks/tasks.go	100.0%	+100.0%	added
internal/book/usecases/services.go	100.0%	0.0%	modified
internal/exchange/delivery/handlers.go	68.4%	0.0%	modified
internal/exchange/repository/repository.go	88.4%	0.0%	modified
internal/worker/worker.go	0.0%	0.0%	added

---

Reported by octocov

[github-actions]

Code Metrics Report

	master (ebc497a)	#10 (a744480)	+/-
Coverage	63.5%	66.6%	+3.1%
Code to Test Ratio	1:0.5	1:0.5	+0.0
Test Execution Time	56s	18s	-38s

Details

  |                     | master (ebc497a) | #10 (a744480) |  +/-  |
  |---------------------|------------------|---------------|-------|
+ | Coverage            |            63.5% |         66.6% | +3.1% |
  |   Files             |               27 |            29 |    +2 |
  |   Lines             |              384 |           450 |   +66 |
+ |   Covered           |              244 |           300 |   +56 |
+ | Code to Test Ratio  |            1:0.5 |         1:0.5 |  +0.0 |
  |   Code              |             2503 |          2870 |  +367 |
+ |   Test              |             1300 |          1517 |  +217 |
+ | Test Execution Time |              56s |           18s |  -38s |

Code coverage of files in pull request scope (80.1% → 81.9%)

Files	Coverage	+/-	Status
internal/book/book.go	100.0%	+100.0%	modified
internal/book/repository/repository.go	88.3%	-2.2%	modified
internal/book/repository/schemas.go	100.0%	+50.0%	modified
internal/book/tasks/tasks.go	100.0%	+100.0%	added
internal/book/usecases/services.go	100.0%	0.0%	modified
internal/exchange/delivery/handlers.go	68.4%	0.0%	modified
internal/exchange/repository/repository.go	88.4%	0.0%	modified
internal/worker/worker.go	0.0%	0.0%	added

---

Reported by octocov