Documentation/update cost estimation

Updated cost estimation documentation

Description

• Fixed layout issues
• Updated run command
• Deleted unnecessary warnings

Related Issue(s)

• N/A

Other Changes

• N/A

Screenshots/Logs

N/a

Testing Instructions

1. Run mkdocs serve and have a loo at the website

Developer Checklist

• Code has been tested locally and/or in pipeline.
• (if applicable) documentation updated.
• (if applicable) impact of new dependencies reviewed and included in project.
• Merge conflicts resolved with the target branch.

Additional Notes

Add any information reviewers should focus on, e.g., specific files, functions, or changes of interest.