Add editorconfig and analyzers, format backend code

backend/Hosts/Musify.Api/OpenApi/OpenApiOptionsSetup.cs

@@ -37,7 +37,7 @@ public sealed class OpenApiOptionsSetup(IOptions<AuthenticationConfiguration> op
             };
 
             return Task.CompletedTask;
-        } );
+        });
 
         options.AddSchemaTransformer((schema, context, _) =>
         {
@@ -48,7 +48,7 @@ public sealed class OpenApiOptionsSetup(IOptions<AuthenticationConfiguration> op
             }
 
             return Task.CompletedTask;
-        } );
+        });
 
         options.AddOperationTransformer((operation, context, _) =>
         {
@@ -70,9 +70,9 @@ public sealed class OpenApiOptionsSetup(IOptions<AuthenticationConfiguration> op
             {
                 [new OpenApiSecuritySchemeReference(SecuritySchemeId, context.Document)] =
                     _configuration.Scopes.ToList(),
-            } );
+            });
 
             return Task.CompletedTask;
-        } );
+        });
     }
 }