v4.7.4: Add missing REST surfaces from the Bybit V5 changelog (full depth orderbook, loan/margin inventory, RFQ details, referral codes, Spot-X), related type updates, Japan/Argentina region support, and apidoc examples.

What's Changed

• fix: point readme template wiki URLs to sieblyio by @JJ-Cro in #564
• chore(): README.md template sections by @tiagosiebler in #566
• feat(v4.7.4): sync V5 changelog since July with Spot-X, inventory, RFQ details, and regional access by @JJ-Cro in #567

Full Changelog: v4.7.3...v4.7.4