Cancel in-progress drag with right click or escape key (#119)

client/web/public/index.html

@@ -21,4 +21,4 @@
 	<div id="app"></div>
 </body>
 
-</html>
+</html>

client/web/src/main.ts

@@ -2,6 +2,8 @@ import { createApp } from "vue";
 import App from "./App.vue";
 import { attachResponseHandlerToPage } from "./response-handler";
 
+document.addEventListener("contextmenu", (e) => e.preventDefault());
+
 attachResponseHandlerToPage();
 
 createApp(App).mount("#app");

client/web/wasm/src/wrappers.rs

@@ -111,6 +111,7 @@ pub fn translate_key(name: &str) -> events::Key {
 		"Shift" => KeyShift,
 		"Control" => KeyControl,
 		"Alt" => KeyAlt,
+		"Escape" => KeyEscape,
 		_ => UnknownKey,
 	}
 }