Init commit

add security encryption and hashing: WIP
add endpoints: register user, get and save resources
add db main operations, User entity

Azaion.Common/Database/AzaionDb.cs

@@ -0,0 +1,10 @@
+using Azaion.Common.Entities;
+using LinqToDB;
+using LinqToDB.Data;
+
+namespace Azaion.Common.Database;
+
+public class AzaionDb(DataOptions dataOptions) : DataConnection(dataOptions)
+{
+    public ITable<User> Users => this.GetTable<User>();
+}