feat: add Dotbot

functions/fs.sh

@@ -0,0 +1,18 @@
+# Determine size of a file or total size of a directory
+
+fs() {
+    # Check if 'du' supports the -b option
+    if du -b /dev/null > /dev/null 2>&1; then
+        arg="-sbh"
+    else
+        arg="-sh"
+    fi
+
+    # If arguments are provided, use them; otherwise, use current directory
+    if [ $# -gt 0 ]; then
+        du $arg -- "$@"
+    else
+        # Use find to handle hidden files and directories
+        find . -maxdepth 1 -print0 | xargs -0 du $arg | sort -h
+    fi
+}