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>

.github/workflows/benchmark.yml

@@ -0,0 +1,42 @@
+name: Benchmark
+
+on:
+  push:
+    branches: [ main ]
+  pull_request:
+    branches: [ main ]
+
+jobs:
+  benchmark:
+    name: Run Benchmarks
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout code
+        uses: actions/checkout@v4
+
+      - name: Install Rust toolchain
+        uses: dtolnay/rust-toolchain@stable
+
+      - name: Install figlet
+        run: sudo apt-get update && sudo apt-get install -y figlet
+
+      - name: Cache cargo registry
+        uses: actions/cache@v3
+        with:
+          path: ~/.cargo/registry
+          key: ${{ runner.os }}-cargo-registry-${{ hashFiles('**/Cargo.lock') }}
+
+      - name: Cache cargo index
+        uses: actions/cache@v3
+        with:
+          path: ~/.cargo/git
+          key: ${{ runner.os }}-cargo-git-${{ hashFiles('**/Cargo.lock') }}
+
+      - name: Run benchmarks
+        run: cargo bench --no-fail-fast
+
+      - name: Upload benchmark results
+        uses: actions/upload-artifact@v3
+        with:
+          name: benchmark-results
+          path: target/criterion/