Add README with game descriptions and ownership

README.md

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+# TX Products Puzzle Games
+
+A collection of six browser-based puzzle games built around synchrotron science, TXProducts technology, and beamline concepts. Designed for use at conferences, demos, and educational events.
+
+## Games
+
+- **WaveGate Pulse Tailor** - Shape synchrotron pulse timing by opening the gate during the target window
+- **PicoSwitch Pulse Cut** - Trigger a photo-acoustic Bragg switch to cut X-ray pulses into the picosecond range
+- **Synchrotron Challenge** - Jeopardy-style quiz covering synchrotrons, TXProducts, TXData, TXServices, and business value
+- **Wheel of Photons** - Phrase puzzle with Easy, Medium, and Hard synchrotron challenges
+- **Decode the Signal** - Cryptogram where players recover hidden product, physics, data, and service messages
+- **Synchrotron Crossword** - Connected crossword with Easy, Medium, and Hard boards
+
+## Usage
+
+Open `index.html` in any modern browser. No build step or server required.
+
+## Ownership
+
+Developed by Mckinley Black for TXProducts.  
+© 2025 TXProducts. All rights reserved.