Initial commit: Basic Yew frontend template

- Set up Cargo.toml with Yew dependencies
- Created main.rs entry point
- Added basic App component with counter functionality
- Included HTML template with styling
- Added Trunk.toml for build configuration
- Added .gitignore to exclude build artifacts

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

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

Cargo.toml

@@ -0,0 +1,9 @@
+[package]
+name = "yew-app"
+version = "0.1.0"
+edition = "2021"
+
+[dependencies]
+yew = { version = "0.21", features = ["csr"] }
+web-sys = "0.3"
+wasm-bindgen = "0.2"