Started workin on stuff

Signed-off-by: Trial97 <alexandru.tripon97@gmail.com>

launcher/java/providers/MojanglJavaDownloader.h

@@ -0,0 +1,37 @@
+// SPDX-License-Identifier: GPL-3.0-only
+/*
+ *  Prism Launcher - Minecraft Launcher
+ *  Copyright (c) 2023 Trial97 <alexandru.tripon97@gmail.com>
+ *
+ *  This program is free software: you can redistribute it and/or modify
+ *  it under the terms of the GNU General Public License as published by
+ *  the Free Software Foundation, version 3.
+ *
+ *  This program is distributed in the hope that it will be useful,
+ *  but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *  GNU General Public License for more details.
+ *
+ *  You should have received a copy of the GNU General Public License
+ *  along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ */
+
+#pragma once
+
+#include "java/providers/BasicJavaDownloader.h"
+
+class MojangJavaDownloader : public BasicJavaDownloader {
+    Q_OBJECT
+   public:
+    void executeTask() override;
+
+    virtual QString name() const override { return "Mojang"; };
+    virtual bool isSupported() const override { return !getOS().isEmpty(); };
+   private slots:
+    void downloadJavaList();
+    void parseManifest(const QJsonArray& versionArray);
+    void downloadJava(const QJsonDocument& doc);
+
+   private:
+    QString getOS() const;
+};