Complete piglet implementation with animations and effects

- Implement complete animation system with 20+ motion effects
- Add 18+ easing functions (quad, cubic, elastic, back, bounce)
- Implement color system with palette and gradient support
- Add parser for durations, colors, and CSS gradients
- Create comprehensive test suite (14 tests passing)
- Add linting and formatting with clippy/rustfmt
- Support for figlet integration with custom fonts
- Terminal rendering with crossterm
- Fix all clippy warnings and lint issues

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

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

src/color/apply.rs

@@ -3,13 +3,13 @@ use crossterm::style::Color as CrosstermColor;
 
 pub fn apply_color_to_char(ch: char, color: Color) -> String {
     use crossterm::style::Stylize;
-    
+
     let crossterm_color = CrosstermColor::Rgb {
         r: color.r,
         g: color.g,
         b: color.b,
     };
-    
+
     format!("{}", ch.to_string().with(crossterm_color))
 }
 
@@ -17,7 +17,7 @@ pub fn apply_color_to_line(line: &str, colors: &[Color]) -> String {
     if colors.is_empty() {
         return line.to_string();
     }
-    
+
     line.chars()
         .enumerate()
         .map(|(i, ch)| {
@@ -34,14 +34,14 @@ pub fn apply_color_to_line(line: &str, colors: &[Color]) -> String {
 pub fn apply_gradient_to_text(text: &str, colors: &[Color]) -> String {
     let lines: Vec<&str> = text.lines().collect();
     let total_chars: usize = lines.iter().map(|l| l.chars().count()).sum();
-    
+
     if total_chars == 0 || colors.is_empty() {
         return text.to_string();
     }
-    
+
     let mut result = String::new();
     let mut char_index = 0;
-    
+
     for (line_idx, line) in lines.iter().enumerate() {
         for ch in line.chars() {
             if ch.is_whitespace() {
@@ -53,11 +53,11 @@ pub fn apply_gradient_to_text(text: &str, colors: &[Color]) -> String {
                 char_index += 1;
             }
         }
-        
+
         if line_idx < lines.len() - 1 {
             result.push('\n');
         }
     }
-    
+
     result
-}
+}