feat(users): adds logout functionality

app/users/routes.py

@@ -1,4 +1,4 @@
-from flask import request, render_template
+from flask import redirect, request, render_template, session
 from app.services.user_service import UserService
 from app.users import bp
 from app.utils.form_errors_dict import FORM_ERRORS
@@ -10,8 +10,14 @@ def index():
 def login():
     return render_template("users/login.html")
 
+@bp.route('/logout')
+def logout():
+    session.clear()
+    return redirect("/")
+
 @bp.route('/register', methods=["GET", "POST"])
 def register():
     if request.method == 'POST':
-        UserService.register_user(request.form)
+        if UserService.register_user(request.form):
+            return redirect("/")
     return render_template("users/register.html", FORM_ERRORS=FORM_ERRORS)