v0.8.1

🐛 Bug Fix

Accurate EBS Snapshot Costs

Fixed snapshot cost calculation to use actual stored data instead of volume size estimates.

What changed:

• Integrated AWS Cost Explorer API to fetch real snapshot costs (last 30 days)
• Recommendations now show actual monthly cost when available
• Falls back to volume size estimate if Cost Explorer unavailable (with clear disclaimer)
• Added costSource metadata field (actual or estimated)

Note: Cost Explorer API requires appropriate IAM permissions. If unavailable, tool falls back to volume size estimates.

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Issue Fixed: #5
Full Changelog: v0.8.0...v0.8.1