Update documentation and add gitignore

- Document server configuration and SSHFS mount

- Add .gitignore to exclude mounts directory

🤖 Generated with [Claude Code](https://claude.ai/code)

Co-Authored-By: Claude <noreply@anthropic.com>

.gitignore

@@ -0,0 +1,22 @@
+# Ignore mounted directories
+mounts/
+
+# Ignore fonts directory
+fonts/
+
+# Node modules
+node_modules/
+
+# IDE files
+.vscode/
+.idea/
+
+# Logs
+*.log
+
+# OS generated files
+.DS_Store
+Thumbs.db
+
+# PHP temp files
+*.swp