docs(book): Update README with Chapter 15 expansion progress

- Chapter 15: 6,009 → 8,120 words (+2,111 words, +35% growth)
- Updated topics: Black Thursday, rug pulls, Jito bundles, risk management
- Part IV subtotal: 21,990 → 24,101 words
- Total book: ~118,000 → ~120,000 words

Chapter 15 now includes:
- Disaster-driven opening (Black Thursday $8.32M)
- Section 15.8: MEV Disasters (SQUID, AnubisDAO, Jaredfromsubway, Mango)
- Section 15.9: Production MEV System (560 lines OVSM code)

Remaining for Chapter 15 to reach 12K-15K target:
- Section 15.10: Worked Example (~2K words)
- Expanded Conclusion (~1.5K words)
- Exercises (~500 words)
- References expansion (~300 words)

Author: 0xrinegade

docs/book/README.md

@@ -10,7 +10,7 @@ This textbook provides comprehensive coverage of algorithmic trading strategies,
 
 **Level:** Graduate (MFE, MQF, MS in Computational Finance)
 **Prerequisites:** Calculus, probability theory, basic programming
-**Total Content:** ~118,000 words across 16 chapters (13 original + 3 NEW foundational chapters)
+**Total Content:** ~120,000 words across 16 chapters (13 original + 3 NEW foundational chapters)
 **Academic References:** 156 peer-reviewed papers and textbooks (134 original + 22 NEW)
 
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@@ -80,14 +80,14 @@ Every chapter shows you **exactly** how these disasters could have been prevente
 
 | Chapter | Title | Words | Topics |
 |---------|-------|-------|--------|
-| [15](15_pumpswap_sniping.md) | Decentralized Exchange Sniping & MEV | 6,009 | Mempool monitoring, frontrunning, Flashbots |
+| [15](15_pumpswap_sniping.md) | Decentralized Exchange Sniping & MEV | 8,120 | Black Thursday, rug pulls, Jito bundles, risk management |
 | [16](16_memecoin_momentum.md) | Memecoin Momentum Trading | 2,701 | Social signals, rug pull detection, FOMO protection |
 | [17](17_whale_copy_trading.md) | Whale Tracking and Copy Trading | 3,549 | Wallet clustering, transaction analysis, copy trading |
 | [18](18_mev_bundle_sniping.md) | MEV Bundle Construction | 3,072 | Bundle optimization, PBS, validator dynamics |
 | [19](19_flash_loan_sniping.md) | Flash Loan Arbitrage | 3,537 | Uncollateralized lending, attack patterns, multi-protocol |
 | [20](20_liquidity_pool_sniping.md) | Liquidity Pool Analysis | 3,122 | AMM math, impermanent loss, concentrated liquidity |
 
-**Subtotal:** 21,990 words
+**Subtotal:** 24,101 words
 
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