docs: bind mdbook server to all hosts by default

Change `mdbook serve` to bind to 0.0.0.0 instead of localhost,
allowing remote access to the docs server. This is useful for
development environments like remote servers or containers.

Author: ammar-agent

scripts/docs.sh

@@ -8,5 +8,5 @@ if [ ! -f "docs/mermaid-init.js" ] || [ ! -f "docs/mermaid.min.js" ]; then
   cd ..
 fi
 
-# Serve the docs
-cd docs && mdbook serve --open
+# Serve the docs (bind to all hosts for remote access)
+cd docs && mdbook serve --hostname 0.0.0.0 --open