[ADD] Base Authority initial commit

DotBased.AspNet.Authority/AuthorityDefaults.cs

@@ -0,0 +1,11 @@
+namespace DotBased.AspNet.Authority;
+
+public static class AuthorityDefaults
+{
+    public static class Scheme
+    {
+        public const string AuthenticationScheme = "Authority.Scheme.Authentication";
+        public const string ExternalScheme = "Authority.Scheme.External";
+    }
+    
+}