v2.12.0

• Release: 2.12.0 (5fbbabf)
• New: Autocad svg (#1016) (a2508e6), closes #1016
• New: Emit metric when missing xrefs (#1015) (eca5b2c), closes #1015
• New: metadataAPI.js (#1010) (5e4de5f), closes #1010
• New: Show banner when doc has xrefs (#1013) (6f9fca7), closes #1013
• Update Translations (54b0eb9)
• Update Translations (#1014) (0f278dc), closes #1014
• Docs: Add fileOptions example (6b72ec9)