feat: add server response types

src/types.d.ts

@@ -1,3 +1,20 @@
+//#SECTION server
+
+export type ServerResponse<T> = SuccessResponse<T> | ErrorResponse;
+
+export type SuccessResponse<T> = {
+    error: false;
+    matches: number;
+    timestamp: number;
+} & T;
+
+export type ErrorResponse = {
+    error: true;
+    matches: 0 | null;
+    message: string;
+    timestamp: number;
+}
+
 //#SECTION meta
 
 interface Artist {