add login/sign-up page with dark/light mode

node_modules/next/dist/compiled/@edge-runtime/primitives/fetch.d.ts

@@ -0,0 +1,23 @@
+declare class Request extends globalThis.Request {
+  readonly headers: Headers
+  readonly duplex: string
+}
+
+declare class Response extends globalThis.Response {
+  readonly headers: Headers
+  static json(data: any, init?: ResponseInit): Response
+}
+
+type RequestInfo = string | Request | globalThis.Request
+type RequestInit = globalThis.RequestInit
+declare const fetchImplementation: (
+  info: RequestInfo,
+  init?: RequestInit,
+) => Promise<Response>
+
+declare const FileConstructor: typeof File
+declare const FormDataConstructor: typeof FormData
+declare const WebSocketConstructor: typeof WebSocket
+declare const HeadersConstructor: typeof Headers
+
+export { FileConstructor as File, FormDataConstructor as FormData, HeadersConstructor as Headers, Request, type RequestInfo, type RequestInit, Response, WebSocketConstructor as WebSocket, fetchImplementation as fetch };