fix(#206): TagNode.create now with null content argument by default (#233)

* fix: TagNode.create with null content by default

* Create five-meals-sing.md

* fix: tests

* fix(preset): types inference

* fix: preset types

* fix: preset types

* fix: lock file, parser and utils

* refactor: move types to separate package

* fix(preset): add @bbob/core to dev deps

* fix(preset): lock file

* test(preset-vue): create tags

* test(preset-vue): tests

* chore(nx): fix nx cover deps

* chore: changesets

packages/bbob-core/src/utils.ts

@@ -1,9 +1,9 @@
 /* eslint-disable no-plusplus */
+import { IterateCallback } from "@bbob/types";
+
 const isObj = (value: unknown): value is Record<string, unknown> => (typeof value === 'object' && value !== null);
 const isBool = (value: unknown): value is boolean => (typeof value === 'boolean');
 
-export type IterateCallback<Content> = (node: Content) => Content
-
 export function iterate<Content, Iterable = ArrayLike<Content> | Content>(t: Iterable, cb: IterateCallback<Content>): Iterable {
   const tree = t;