Adhere to architecture docs datamodel

Read in Excel and create the following data properties.

School Portal

Participant

• participant_long_id: string
• participant_short_id: string
• first_name: string
• prefix: string
• last_name: string
• diplay_name: string
• birth_day: integer
• birth_month: integer
• birth_year: integer
• grade: string
• consent_participant: bool
• consent_parent: bool
• consent_personal_data: bool

Show data processing progress bar in UI