feat: add Bash script

Author: solygambas

playground/32-space.sh

@@ -0,0 +1,7 @@
+#!/bin/bash
+
+# Get current date in YYYY-MM-DD format
+today=$(date +"%Y-%m-%d")
+
+# Find files modified today and calculate total size
+find . -type f -newermt "$today" -exec du -ch {} + | grep total$

playground/README.md

@@ -107,6 +107,7 @@ For Stable Diffusion, you need to add your `STABILITY_AI_KEY`. You can find it i
 
 - [renaming files](22-rename.py) in a folder.
 - [reorganizing files](31-reorganizing-files.ipynb).
+- [calculating and displaying the total size of files](32-space.sh) modified today using a Bash script.
 
 ## Using ChatGPT for Programming Development