add: random bg

src/data/app.py

@@ -1,10 +1,13 @@
+import random
 from flask import Flask, render_template
 
 app = Flask(__name__)
 
 @app.route("/")
 def home():
-    return render_template("index.html", title="Accueil")
+    bg_files = os.listdir("static/img/backgrounds")
+    bg = random.choice(bg_files)
+    return render_template("index.html", title="Accueil", background=bg)
 
 @app.route("/projects")
 def projects():

src/data/static/css/style.css

@@ -9,7 +9,7 @@ body {
     font-family: Arial, sans-serif;
     margin: 0;
     padding: 0;
-    background-image: url("/static/img/background.webp");
+    background-image: url("{{ url_for('static', filename='img/backgrounds/' ~ background) }}");
     background-size: cover;
     background-repeat: no-repeat;
     background-position: center;