wip: faq page

src/content/guides/faq.mdx

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+## When I copy the content of the editor, into a text field I get a bunch of newlines
+
+By default, in Tiptap, the clipboard text serializer is set to produce paragraphs with 2 newlines in between (like you would do in Markdown).
+
+So you'd paste content and it would look like this:
+
+```text
+This is a paragraph.
+
+This is another paragraph.
+```
+
+When you probably want it to look like this:
+
+```text
+This is a paragraph.
+This is another paragraph.
+```
+
+To do this you have to change the `clipboardTextSerializer` to use a single newline instead of two.
+
+Like this:
+
+```js
+new Editor({
+  // other options
+  coreExtensionOptions: {
+    clipboardTextSerializer: {
+      blockSeparator: '\n',
+    },
+  },
+})
+```
+
+Which will make the clipboard serializer use a single newline as a separator between blocks.
+
+## Why can't I use React context within a nodeView
+
+NodeViews have to be handed off to ProseMirror, which means they can't be structured like a typical React component. The `<NodeViewContent>` is serving as a div to mount elements into, but does not render the children as a React component would. Therefore, React context does not work within a NodeView.