Added thesis language

ui.js

@@ -43,6 +43,25 @@ async function thesis_layout(content, result) {
 	}
 }
 
+async function language_layout(content, result) {
+	if(!Object.keys(languages).includes(result.lang)) {
+		document.querySelector("#next-button").disabled = true;
+	}
+
+	let buttons = new ButtonListBuilder(Object.keys(languages))
+		.should_be_pressed((key) => result.lang == key)
+		.modify((b, key) => b.class("wide").text(languages[key].name))
+		.on_click((key) => {
+			result.lang = key;
+			document.querySelector("#next-button").disabled = false;
+		})
+		.finish();
+
+	for(const button of buttons) {
+		content.appendChild(button);
+	}
+}
+
 async function thesis_title_layout(content, result) {
 	content.appendChild(new TextInputBuilder(result, "cs")
 		.placeholder("Název práce (v češtině)")