feat: add @robonen/fetch package - lightweight fetch wrapper with V8 optimizations

Co-authored-by: robonen <26167508+robonen@users.noreply.github.com>

core/fetch/src/index.ts

@@ -0,0 +1,46 @@
+export { createFetch } from './fetch';
+export { FetchError, createFetchError } from './error';
+export {
+  isPayloadMethod,
+  isJSONSerializable,
+  detectResponseType,
+  buildURL,
+  joinURL,
+  callHooks,
+  resolveFetchOptions,
+} from './utils';
+export type {
+  $Fetch,
+  CreateFetchOptions,
+  Fetch,
+  FetchContext,
+  FetchHook,
+  FetchHooks,
+  FetchOptions,
+  FetchRequest,
+  FetchResponse,
+  IFetchError,
+  MappedResponseType,
+  MaybeArray,
+  MaybePromise,
+  ResponseMap,
+  ResponseType,
+  ResolvedFetchOptions,
+} from './types';
+
+/**
+ * @name $fetch
+ * @category Fetch
+ * @description Default $fetch instance backed by globalThis.fetch
+ *
+ * @example
+ * const data = await $fetch<User>('https://api.example.com/users/1');
+ *
+ * @example
+ * const user = await $fetch.post<User>('https://api.example.com/users', {
+ *   body: { name: 'Alice' },
+ * });
+ *
+ * @since 0.0.1
+ */
+export const $fetch = createFetch();