All deployments

Upgrade Rails, SQLite3, Puma, and Kamal to their latest compatible versions.
Adjust CSS process command in Procfile.dev for consistency.

Update Rails to 8.0.2.1 and Puma to 6.6.1 for improved performance and security.

Change DB_HOST to use service name and update port. Add production
permissions script for PostgreSQL setup.

Update the kamal gem to version 2.7.0 for improved functionality.

Upgrade actions and libraries in the deployment workflow for improved
performance and security.

Include a new date field for project release dates in the form and model.

Update random project selection and improve gradient backgrounds for better visual appeal.