Create the Project Manager project (#320)

* Created the Project Manager project with a barebone styled window and rough sketch of first screen

* Renamed to Project Manager, ect.

* Corrected string name for projectmanager and added comments on getting engine path

* Changed output name for Project Manager to lowercase o3de

* Added header guards

Code/Tools/ProjectManager/Qt/FirstTimeUse.cpp

@@ -0,0 +1,31 @@
+/*
+ * All or portions of this file Copyright (c) Amazon.com, Inc. or its affiliates or
+ * its licensors.
+ *
+ * For complete copyright and license terms please see the LICENSE at the root of this
+ * distribution (the "License"). All use of this software is governed by the License,
+ * or, if provided, by the license below or the license accompanying this file. Do not
+ * remove or modify any license notices. This file is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ *
+ */
+
+#include <Qt/FirstTimeUse.h>
+
+#include <Qt/ui_FirstTimeUse.h>
+
+namespace ProjectManager
+{
+    FirstTimeUse::FirstTimeUse(QWidget* parent)
+        : QWidget(parent)
+        , m_ui(new Ui::FirstTimeUseClass())
+    {
+        m_ui->setupUi(this);
+    }
+
+    FirstTimeUse::~FirstTimeUse()
+    {
+    }
+
+    //#include <Qt/moc_FirstTimeUse.cpp>
+} // namespace ProjectManager