website: update folder hierarchies

Author: ilg-ul

website/docs/_project/_folders-hierarchies-macos.mdx

@@ -7,7 +7,6 @@ import customField from '@site/src/libs/customField';
 <CodeBlock language="console"> {
 `$ tree -L 2 ~/Library/xPacks/\@xpack-dev-tools/riscv-none-elf-gcc/${ customField('releaseVersion') }.${ customField('npmSubversion') }/.content/
 /Users/ilg/Library/xPacks/\@xpack-dev-tools/riscv-none-elf-gcc/${ customField('releaseVersion') }.${ customField('npmSubversion') }/.content/
-├── README.md
 ├── bin
 │   ├── riscv-none-elf-addr2line
 │   ├── riscv-none-elf-ar
@@ -84,6 +83,7 @@ import customField from '@site/src/libs/customField';
 │   ├── libz.1.dylib -> libz.1.3.1.dylib
 │   ├── libzstd.1.5.7.dylib
 │   └── libzstd.1.dylib -> libzstd.1.5.7.dylib
+├── README.md
 ├── riscv-none-elf
 │   ├── bin
 │   ├── include