README: Fix index and add missing entries

README

@@ -33,19 +33,21 @@ Table of Contents:
  * 3.12 Inherit the Earth: Quest for the Orb notes
  * 3.13 Maniac Mansion Apple II/NES notes
  * 3.14 Mickey's Space Adventure notes
- * 3.15 Nippon Safes Inc. Amiga notes
- * 3.16 Simon the Sorcerer notes
- * 3.17 Starship Titanic notes
- * 3.18 The Curse of Monkey Island notes
- * 3.19 The Feeble Files notes
- * 3.20 The Legend of Kyrandia notes
- * 3.21 Troll's Tale notes
- * 3.22 Winnie the Pooh notes
- * 3.23 Sierra AGI games: Predictive Input Dialog notes
- * 3.24 Sierra SCI games: Simultaneous speech and subtitles
- * 3.25 Zork games notes
- * 3.26 Commodore64 games notes
- * 3.27 Macintosh games notes
+ * 3.15 Myst notes
+ * 3.16 Nippon Safes Inc. Amiga notes
+ * 3.17 Riven notes
+ * 3.18 Simon the Sorcerer notes
+ * 3.19 Starship Titanic notes
+ * 3.20 The Curse of Monkey Island notes
+ * 3.21 The Feeble Files notes
+ * 3.22 The Legend of Kyrandia notes
+ * 3.23 Troll's Tale notes
+ * 3.24 Winnie the Pooh notes
+ * 3.25 Sierra AGI games: Predictive Input Dialog notes
+ * 3.26 Sierra SCI games: Simultaneous speech and subtitles
+ * 3.27 Zork games notes
+ * 3.28 Commodore64 games notes
+ * 3.29 Macintosh games notes
 4.0) Supported Platforms
 5.0) Running ScummVM
  * 5.1 Command Line Options