New: Api refactoring

.gitignore

.gitlab-ci.yml

publishDocs.ps1

...ools/linq2db.t4models/FirebirdSql.Data.FirebirdClient.dll

src/.tools/linq2db.t4models/Init.ps1

src/.tools/linq2db.t4models/Microsoft.SqlServer.Types.dll

src/.tools/linq2db.t4models/MySql.Data.dll

src/.tools/linq2db.t4models/Npgsql.dll

src/.tools/linq2db.t4models/Oracle.ManagedDataAccess.dll

src/.tools/linq2db.t4models/SQLite.Interop.dll

src/.tools/linq2db.t4models/System.Data.SQLite.dll

...ls/linq2db.t4models/System.Threading.Tasks.Extensions.dll

src/.tools/linq2db.t4models/linq2db.dll

src/ApiCommons.Tests/ApiCommons.Tests.csproj

src/ApiCommons.Tests/Properties/AssemblyInfo.cs

src/ApiCommons.Tests/packages.config

src/ApiCommons/AbstractStartup.cs

src/ApiCommons/ApiCommons.csproj

src/ApiCommons/Authenticator.cs

src/ApiCommons/Models/DatabaseModel.cs