merge from develop

.gitignore

Tsi1.Api/Tsi1.Api/Controllers/CourseController.cs

Tsi1.Api/Tsi1.Api/Controllers/FileController.cs

Tsi1.Api/Tsi1.Api/Controllers/TenantController.cs

Tsi1.Api/Tsi1.Api/Controllers/UserController.cs

Tsi1.Api/Tsi1.Api/Infrastructure/IJwtAuthManager.cs

Tsi1.Api/Tsi1.Api/Infrastructure/JwtAuthManager.cs

Tsi1.Api/Tsi1.Api/Infrastructure/JwtTokenConfig.cs

Tsi1.Api/Tsi1.Api/Infrastructure/JwtVerificationCodeCache.cs

Tsi1.Api/Tsi1.Api/Models/LoginRequest.cs

Tsi1.Api/Tsi1.Api/Models/VerificationCode.cs

Tsi1.Api/Tsi1.Api/Startup.cs

Tsi1.Api/Tsi1.Api/Tsi1.Api.csproj

Tsi1.Api/Tsi1.Api/appsettings.json

Tsi1.Api/Tsi1.BusinessLayer/Dtos/CoursePreviewDto.cs

Tsi1.Api/Tsi1.BusinessLayer/Dtos/FileDto.cs

Tsi1.Api/Tsi1.BusinessLayer/Dtos/RestorePasswordDto.cs

Tsi1.Api/Tsi1.BusinessLayer/Dtos/TenantCourseDto.cs

Tsi1.Api/Tsi1.BusinessLayer/Dtos/TenantPreviewDto.cs

Tsi1.Api/Tsi1.BusinessLayer/Dtos/UserModifyDto.cs