Init commit

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

Azaion.Common/BusinessException.cs

@@ -0,0 +1,18 @@
+namespace Azaion.Common;
+
+public class BusinessException(ExceptionEnum exEnum, string message) : Exception(message)
+{
+    private ExceptionEnum ExceptionEnum { get; set; } = exEnum;
+}
+
+public enum ExceptionEnum
+{
+    NoUserFound = 10,
+    UserExists = 20,
+    PasswordIncorrect = 30,
+    UserLengthIncorrect = 33,
+    WrongEmail = 35,
+    PasswordLengthIncorrect = 37,
+    HardwareIdMismatch = 40,
+    WrongResourceType = 50
+}