Add tests

requirements.txt

@@ -5,6 +5,7 @@ click==8.1.8
 colorama==0.4.6
 dnspython==2.7.0
 email-validator==2.2.0
+exceptiongroup==1.2.2
 flask==3.1.0
 Flask-Bcrypt==1.0.1
 Flask-Login==0.6.3
@@ -16,16 +17,21 @@ gunicorn==23.0.0
 humanize==4.11.0
 idna==3.10
 importlib-metadata==8.5.0
+iniconfig==2.0.0
 itsdangerous==2.2.0
 jinja2==3.1.5
 Mako==1.3.8
 MarkupSafe==3.0.2
 packaging==24.2
 pillow==11.0.0
+pluggy==1.5.0
 psycopg2==2.9.10
 psycopg2-binary==2.9.10
+pytest==8.3.4
+pytest-flask==1.3.0
 pytz==2024.2
 SQLAlchemy==2.0.36
+tomli==2.2.1
 typing-extensions==4.12.2
 werkzeug==3.1.3
 wtforms==3.2.1