Add support for gridless pathfinding

rust/src/lib.rs

@@ -0,0 +1,12 @@
+mod geometry;
+#[macro_use]
+mod js_api;
+mod pathfinder;
+mod ptr_indexed_hash_set;
+
+use wasm_bindgen::prelude::*;
+
+#[wasm_bindgen(start)]
+pub fn main() {
+	std::panic::set_hook(Box::new(console_error_panic_hook::hook));
+}