fixing imports and ssr support + updated remix/nextjs/astro examples

app/src/ui/client/BkndProvider.tsx

@@ -1,4 +1,3 @@
-//import { notifications } from "@mantine/notifications";
 import { getDefaultConfig, getDefaultSchema } from "modules/ModuleManager";
 import { createContext, startTransition, useContext, useEffect, useRef, useState } from "react";
 import type { ModuleConfigs, ModuleSchemas } from "../../modules";
@@ -101,20 +100,6 @@ export function BkndProvider({
    );
 }
 
-type BkndWindowContext = {
-   user?: object;
-   logout_route: string;
-};
-export function useBkndWindowContext(): BkndWindowContext {
-   if (typeof window !== "undefined" && window.__BKND__) {
-      return window.__BKND__ as any;
-   } else {
-      return {
-         logout_route: "/api/auth/logout"
-      };
-   }
-}
-
 export function useBknd({ withSecrets }: { withSecrets?: boolean } = {}): BkndContext {
    const ctx = useContext(BkndContext);
    if (withSecrets) ctx.requireSecrets();