Initial commit: Piglet - Animated figlet wrapper

Add complete Rust implementation with:
- 20+ motion effects (fade, slide, scale, typewriter, wave, bounce, etc.)
- 18+ easing functions (linear, quad, cubic, elastic, back, bounce)
- Color support (CSS4 colors, hex codes, gradients)
- Figlet integration with custom fonts and options
- Cross-platform support (Linux, macOS, Windows)
- Comprehensive CI/CD workflows
- Full test suite with integration tests
- Documentation (README.md, CLAUDE.md)

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

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

src/color/palette.rs

@@ -0,0 +1,21 @@
+"#ffff00".to_string(),
+        ]).unwrap()
+    }
+    
+    /// Create ocean palette
+    pub fn ocean() -> Self {
+        Self::from_strings(&[
+            "#000080".to_string(),
+            "#0000ff".to_string(),
+            "#4169e1".to_string(),
+            "#87ceeb".to_string(),
+            "#add8e6".to_string(),
+        ]).unwrap()
+    }
+}
+
+impl Default for ColorPalette {
+    fn default() -> Self {
+        Self::rainbow()
+    }
+}