Update Algorand resource requirements

[Mahmoud-Emad]

Description

Updated the Algorand resources to fit the requirements mentioned in their docs

Changes

• Increased minimum memory size to 16GB to meet the system requirements.
• Updated CPU requirements to a minimum of 8 cores as per the latest specifications.
• Added a hint message for users selecting the 'custom' option, advising them to review hardware requirements before deploying a new Algorand instance.

Related Issues

• https://github.com/threefoldtech/tfgrid-sdk-ts/issues/2915

Checklist

• [ ] Tests included
• [ ] Build pass
• [ ] Documentation
• [ ] Code format and docstrings
• [ ] Screenshots/Video attached (needed for UI changes)