* chore: Refactor loading of settings and handle missing keys
* chore: Update .env.example file with new configuration options
* Ignore database files in .gitignore
* Refactor loading of settings and handle missing keys
* Update DOWNLOAD_WEBHOOK_URL in base settings to use the correct URL for triggering flows in the Langflow store.
* 🐛 (base.py): Fix condition to copy existing database to new location only if SAVE_DB_IN_CONFIG_DIR is true
* 🐛 (base.py): update log message to accurately reflect the action being taken when creating a new database