add web-app stub

Cargo.toml

@@ -9,6 +9,7 @@ edition = "2021"
 [lib]
 name = "wordle_solver"
 path = "src/lib/lib.rs"
+crate-type = ["cdylib", "rlib"]
 
 [[bin]]
 name = "wordle-solver"
@@ -21,7 +22,13 @@ path = "src/app/wordle_simulation.rs"
 [dependencies]
 colored = "3.1.1"
 derive_more = { version = "2.1.1", features = [ "debug", "display" ] }
+getrandom = { version = "0.4.3", optional = true }
 indicatif = { version = "0.18.6", features = ["rayon"] }
 rand = "0.10.2"
 rayon = "1.12.0"
 tabular = { version = "0.2.0", features = ["ansi-cell"] }
+wasm-bindgen = { version = "0.2.127", optional = true }
+
+[features]
+default = []
+wasm-bindgen = ["dep:wasm-bindgen", "getrandom/wasm_js"]