web: migrate from lib->bin

web/src/main.rs

@@ -12,9 +12,7 @@ mod graphql;
 mod state;
 mod view;
 
-// (This function is invoked by `init` function in `index.html`.)
-#[wasm_bindgen(start)]
-pub fn start() {
+fn main() {
     // This provides better error messages in debug mode.
     // It's disabled in release mode so it doesn't bloat up the file size.
     #[cfg(debug_assertions)]