Update comprehensive documentation for Alpha release (Issue #47)

- Completely rewrote README.md to reflect 7DRL 2025 success and current features
- Updated GitHub Pages documentation site with:
  - Modern landing page highlighting Crypt of Sokoban
  - Comprehensive API reference (2700+ lines) with exhaustive examples
  - Updated getting-started guide with installation and first game tutorial
  - 8 detailed tutorials covering all major game systems
  - Quick reference cheat sheet for common operations
- Generated documentation screenshots showing UI elements
- Fixed deprecated API references and added new features
- Added automation API documentation
- Included Python 3.12 requirement and platform-specific instructions

Note: Text rendering in headless mode has limitations for screenshots

🤖 Generated with [Claude Code](https://claude.ai/code)

Co-Authored-By: Claude <noreply@anthropic.com>

tests/simple_screenshot_test.py

@@ -0,0 +1,45 @@
+#!/usr/bin/env python3
+"""Simple screenshot test to verify automation API"""
+
+import mcrfpy
+from mcrfpy import automation
+import sys
+import time
+
+def take_screenshot(runtime):
+    """Take screenshot after render starts"""
+    print(f"Timer callback fired at runtime: {runtime}")
+    
+    # Try different paths
+    paths = [
+        "test_screenshot.png",
+        "./test_screenshot.png", 
+        "mcrogueface.github.io/images/test_screenshot.png"
+    ]
+    
+    for path in paths:
+        try:
+            print(f"Trying to save to: {path}")
+            automation.screenshot(path)
+            print(f"Success: {path}")
+        except Exception as e:
+            print(f"Failed {path}: {e}")
+    
+    sys.exit(0)
+
+# Create minimal scene
+mcrfpy.createScene("test")
+
+# Add a visible element
+caption = mcrfpy.Caption(100, 100, "Screenshot Test")
+caption.font = mcrfpy.default_font
+caption.font_color = (255, 255, 255)
+caption.font_size = 24
+
+mcrfpy.sceneUI("test").append(caption)
+mcrfpy.setScene("test")
+
+# Use timer to ensure rendering has started
+print("Setting timer...")
+mcrfpy.setTimer("screenshot", take_screenshot, 500)  # Wait 0.5 seconds
+print("Timer set, entering game loop...")