feat: add feedback backend foundation

backend/src/Socialize.Api/Modules/Identity/Contracts/KnownRoles.cs

@@ -7,4 +7,5 @@ public static class KnownRoles
     public const string Client = nameof(Client);
     public const string Provider = nameof(Provider);
     public const string WorkspaceMember = nameof(WorkspaceMember);
+    public const string Developer = nameof(Developer);
 }

backend/src/Socialize.Api/Modules/Identity/DependencyInjection.cs

@@ -97,5 +97,11 @@ public static class DependencyInjection
         {
             await roleManager.CreateAsync(workspaceMemberRole);
         }
+
+        Role developerRole = new(KnownRoles.Developer);
+        if (roleManager.Roles.All(r => r.Name != developerRole.Name))
+        {
+            await roleManager.CreateAsync(developerRole);
+        }
     }
 }