[FUNCTION] implement `get_campaign_fee_history`

[Akshola00]

• Title: Track total fees generated by a campaign.
• Description: Keep a counter of how much the platform earned from a specific campaign's donations.
• Requirements:
  • Use persistent storage for tracking.
  • Test: Verify the counter increments after every donation.

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[jhayniffy]

@jhayniffy has applied to work on this issue as part of the Stellar Wave Program's 2nd wave.

i can work on this

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