docs: note embeds and update git hint

docs/features/wikilinks.md

@@ -14,3 +14,11 @@ This is enabled as a part of [[Obsidian compatibility]] and can be configured an
 - `[[Path to file | Here's the title override]]`: produces a link to `Path to file.md` with the text `Here's the title override`
 - `[[Path to file#Anchor]]`: produces a link to the anchor `Anchor` in the file `Path to file.md`
 - `[[Path to file#^block-ref]]`: produces a link to the specific block `block-ref` in the file `Path to file.md`
+
+### Embeds
+
+- `![[Path to image]]`: embeds an image into the page
+- `![[Path to image|100x145]]`: embeds an image into the page with dimensions 100px by 145px
+- `![[Path to file]]`: transclude an entire page
+- `![[Path to file#Anchor]]`: transclude everything under the header `Anchor`
+- `![[Path to file#^b15695]]`: transclude block with ID `^b15695`

docs/setting up your GitHub repository.md

@@ -33,3 +33,7 @@ Then, you can sync the content to upload it to your repository.
 ```bash
 npx quartz sync
 ```
+
+> [!hint]
+> If `npx quartz sync` fails with `fatal: --[no-]autostash option is only valid with --rebase`, you
+> may have an outdated version of `git`. Updating `git` should fix this issue.