Restructure the app folder

src/run.py

@@ -0,0 +1,42 @@
+from app import create_app, db
+from app.models import User
+from werkzeug.security import generate_password_hash
+import os
+import logging
+from logging.handlers import RotatingFileHandler
+from flask import render_template
+
+app = create_app()
+
+@app.cli.command("init-db")
+def init_db_command():
+    """Initialize the database."""
+    db.create_all()
+    if not User.query.filter_by(is_admin=True).first():
+        admin_password = os.getenv('ADMIN_PASSWORD')
+        if not admin_password:
+            raise ValueError('ADMIN_PASSWORD environment variable is not set')
+        admin = User(
+            username=os.getenv('ADMIN_USERNAME', 'admin'),
+            email=os.getenv('ADMIN_EMAIL'),
+            company=os.getenv('ADMIN_COMPANY', 'System Administration'),
+            password_hash=generate_password_hash(admin_password),
+            is_admin=True
+        )
+        db.session.add(admin)
+        db.session.commit()
+    print("Initialized the database.")
+
+# Set up logging
+if not app.debug:
+    file_handler = RotatingFileHandler('logs/flask_error.log', maxBytes=10240, backupCount=10)
+    file_handler.setFormatter(logging.Formatter(
+        '%(asctime)s %(levelname)s: %(message)s [in %(pathname)s:%(lineno)d]'
+    ))
+    file_handler.setLevel(logging.INFO)
+    app.logger.addHandler(file_handler)
+    app.logger.setLevel(logging.INFO)
+    app.logger.info('Mold Cost Calculator startup')
+
+if __name__ == '__main__':
+    app.run(host='0.0.0.0', port=5004)