feat: add admin options for entities and app shell

Introduced `BkndAdminEntitiesOptions` and `BkndAdminAppShellOptions` for advanced customization of entity actions, headers, footers, and app shell user menu. Updated related components, hooks, and types for seamless integration with the new configuration options.

app/src/ui/client/utils/AppReduced.ts

@@ -4,7 +4,7 @@ import type { EntityRelation } from "data/relations";
 import { constructEntity, constructRelation } from "data/schema/constructor";
 import { RelationAccessor } from "data/relations/RelationAccessor";
 import { Flow, TaskMap } from "flows";
-import type { BkndAdminOptions } from "ui/client/BkndProvider";
+import type { BkndAdminProps } from "ui/Admin";
 
 export type AppType = ReturnType<App["toJSON"]>;
 
@@ -20,7 +20,7 @@ export class AppReduced {
 
    constructor(
       protected appJson: AppType,
-      protected _options: BkndAdminOptions = {},
+      protected _options: BkndAdminProps["config"] = {},
    ) {
       //console.log("received appjson", appJson);