Mutex for coroutines

[mkornaukhov03]

No description provided.

[MBkkt]

https://github.com/YACLib/YACLib/tree/MBkkt-patch-1

[coveralls]

Pull Request Test Coverage Report for Build 2437598382

• 111 of 111 (100.0%) changed or added relevant lines in 4 files are covered.
• No unchanged relevant lines lost coverage.
• Overall coverage remained the same at 100.0%

---

Totals
Change from base Build 2271835310:	0.0%
Covered Lines:	1249
Relevant Lines:	1249

---

💛 - Coveralls

[codecov]

Codecov Report

Merging #177 (63556f9) into main (511109c) will not change coverage.
The diff coverage is 100.00%.

@@            Coverage Diff             @@
##              main      #177    +/-   ##
==========================================
  Coverage   100.00%   100.00%            
==========================================
  Files           51        54     +3     
  Lines         1138      1249   +111     
==========================================
+ Hits          1138      1249   +111     

Impacted Files	Coverage Δ
include/yaclib/async/detail/base_core.hpp	100.00% <100.00%> (ø)
include/yaclib/coroutine/async_mutex.hpp	100.00% <100.00%> (ø)
include/yaclib/coroutine/detail/promise_type.hpp	100.00% <100.00%> (ø)
src/executor/manual.cpp	100.00% <100.00%> (ø)

📣 Codecov can now indicate which changes are the most critical in Pull Requests. Learn more

[MBkkt]

I think we need more powerful tests
Also please don't forget about noexcept, final, nodiscard