fix(mappings): Fix wrong mapping (#156)

Author: Uzaaft

src/content/docs/mappings.mdx

@@ -162,7 +162,7 @@ AstroNvim generally relies on `<Leader>` driven mappings, which is default set t
 
 | Action                            | Mappings         |
 | --------------------------------- | ---------------- |
-| Resume previous search            | `Leader + Enter` |
+| Resume previous search            | `Leader + f + Enter` |
 | Marks                             | `Leader + f'`    |
 | Buffers                           | `Leader + fb`    |
 | Word at cursor                    | `Leader + fc`    |