System.IO.Path.Combine provides cross-platform support for system paths, however rooted paths discarding of earlier segments
Utilities.PathCombine ensures if any parameters start with root chacters does not discard previous Utilities.PathCombine allows appending of "\\" to translate to the correct cross-platform result
done:
+ master.sql as resource
+ implemented incremental database changes also for Master
+ dbUp sql script variables implemented
+ improved database handling and creation code
+ simpified database creation
+ almost all Database and Tenant creation moved to DatabaseManager.cs (rest code marked with TODO)
+ Unattended install of master can be performed by settings in appsettings.json
+ Improved IsInstalled checking
+ Removed DBSchema field from Tenant
+ Default database and site creation moved to Program.Main