feat(LT-5791): [MarginTrading] Add assembly load logger

[lykke-vashetsin]

No description provided.

[github-actions]

Package	Line Rate	Branch Rate	Complexity	Health
MarginTrading.Backend.Core	66%	59%	1518	✔
MarginTrading.Common	18%	18%	378	➖
MarginTrading.Backend.Contracts	31%	25%	620	✔
MarginTrading.Backend.Core.Mappers	0%	0%	4	❌
MarginTrading.AzureRepositories	4%	36%	197	❌
MarginTrading.Backend	8%	14%	666	❌
MarginTrading.Backend.Services	43%	39%	3294	✔
MarginTrading.SqlRepositories	0%	0%	471	❌
Summary	37% (6017 / 16429)	35% (1527 / 4327)	7148	✔