cost_estimation update

cost_estimation update

Description

• Updated information on crew salaries (values and "Arbeitgeberbrutto")
• Corrected calculation of flight cycles
• Added information on cost scenario
• Added conversion from EUR to USD

Related Issue(s)

• Closes unicado/unicado.gitlab.io#32
• Closes unicado/aircraft-design#141

Other Changes

• N/A

Screenshots/Logs

N/A

Testing Instructions

1. Check webpage

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

N/A