Add SHA-3 hashing support across table and reports

[Mystic-Pickaxe]

Summary

• add a SHA-3 (FIPS 202) hash column to the Bulk Evidence Hash Reporter table
• compute SHA-3 using CryptoJS.SHA3 during file processing
• include SHA-3 values in exported reports:
  • Hash PDF
  • Hash Word
  • CSV export
  • new Hash Excel export (.xlsx)
• add runtime system logging in browser console when SHA-3 is calculated

Notes

• implemented as a client-side only update
• no backend/service changes required

Fixes #2

[Mystic-Pickaxe]

/claim #2