Implement account registration

Implements #7

src/qml/Component/Login/Captcha.qml

@@ -0,0 +1,49 @@
+// SPDX-FileCopyrightText: 2023 Tobias Fella <tobias.fella@kde.org>
+// SPDX-License-Identifier: GPL-2.0-or-later
+
+import QtQuick 2.14
+import QtQuick.Controls 2.14 as Controls
+import QtQuick.Layouts 1.14
+import QtWebView 1.15
+
+import org.kde.kirigami 2.12 as Kirigami
+import org.kde.kirigamiaddons.formcard 1.0 as FormCard
+
+import org.kde.neochat 1.0
+
+LoginStep {
+    id: root
+
+    FormCard.AbstractFormDelegate {
+        background: null
+        contentItem: WebView {
+            id: webview
+            url: "http://localhost:20847"
+            implicitHeight: 500
+            onLoadingChanged: {
+                webview.runJavaScript("document.body.style.background = '" + Kirigami.Theme.backgroundColor + "'")
+            }
+
+            Timer {
+                id: timer
+                repeat: true
+                running: true
+                interval: 300
+                onTriggered: {
+                    if(!webview.visible) {
+                        return
+                    }
+                    webview.runJavaScript("!!grecaptcha ? grecaptcha.getResponse() : \"\"", function(response){
+                        if(!webview.visible || !response)
+                            return
+                        timer.running = false;
+                        Registration.recaptchaResponse = response;
+                    })
+                }
+            }
+        }
+    }
+    previousAction: Kirigami.Action {
+        onTriggered: root.processed("qrc:/Username.qml")
+    }
+}