refactor: split out setting api headers for downloads

Signed-off-by: Rachel Powers <508861+Ryex@users.noreply.github.com>

launcher/net/ApiDownload.h

@@ -0,0 +1,39 @@
+// SPDX-License-Identifier: GPL-3.0-only
+/*
+ *  Prism Launcher - Minecraft Launcher
+ *  Copyright (c) 2022 flowln <flowlnlnln@gmail.com>
+ *  Copyright (C) 2022 Sefa Eyeoglu <contact@scrumplex.net>
+ *  Copyright (C) 2023 Rachel Powers <508861+Ryex@users.noreply.github.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 "ApiHeaderProxy.h"
+#include "Download.h"
+
+namespace Net {
+
+class ApiDownload : public Download {
+   public:
+    ApiDownload() : Download()
+    {
+        auto api_headers = new ApiHeaderProxy();
+        addHeaderProxy(api_headers);
+    }
+    virtual ~ApiDownload() = default;
+};
+
+}  // namespace Net