[dsch] fix for esm imports

src/Ok.ts

@@ -1,4 +1,4 @@
-import { resolveOks } from './resolve-oks';
+import { resolveOks } from './resolve-oks.js';
 import type { AsyncOk, ErrTypeOf, Ok, ResolveOks, Result } from './types';
 
 export class OkImpl<T> implements Ok<T> {

src/fn/index.ts

@@ -1,5 +1,5 @@
-export * from './assertNever';
-export * from './compose';
-export * from './identity';
-export * from './pipe';
-export * from './unreachable';
+export * from './assertNever.js';
+export * from './compose.js';
+export * from './identity.js';
+export * from './pipe.js';
+export * from './unreachable.js';