implemented frontend including separate message system; started to implement backend

yjs-poll/node_modules/lib0/error.d.ts

@@ -0,0 +1,5 @@
+export function create(s: string): Error;
+export function methodUnimplemented(): never;
+export function unexpectedCase(): never;
+export function assert(property: boolean): asserts property is true;
+//# sourceMappingURL=error.d.ts.map