Added plugin for supporting the Nim programming language

The plugin support:
- basic syntax highlighting
- indentation
- project management
- run and build configuration
- debugging
- code style

Change-Id: Idfbb02a11ed570c90149a54b726beb956712e2bd
Reviewed-by: David Schulz <david.schulz@theqtcompany.com>
Reviewed-by: hjk <hjk@theqtcompany.com>

src/plugins/nim/project/nimcompilercleanstepconfigwidget.cpp

@@ -0,0 +1,68 @@
+/****************************************************************************
+**
+** Copyright (C) Filippo Cucchetto <filippocucchetto@gmail.com>
+** Contact: http://www.qt.io/licensing
+**
+** This file is part of Qt Creator.
+**
+** Commercial License Usage
+** Licensees holding valid commercial Qt licenses may use this file in
+** accordance with the commercial license agreement provided with the
+** Software or, alternatively, in accordance with the terms contained in
+** a written agreement between you and The Qt Company. For licensing terms
+** and conditions see https://www.qt.io/terms-conditions. For further
+** information use the contact form at https://www.qt.io/contact-us.
+**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU
+** General Public License version 3 as published by the Free Software
+** Foundation with exceptions as appearing in the file LICENSE.GPL3-EXCEPT
+** included in the packaging of this file. Please review the following
+** information to ensure the GNU General Public License requirements will
+** be met: https://www.gnu.org/licenses/gpl-3.0.html.
+**
+****************************************************************************/
+
+#include "project/nimcompilercleanstepconfigwidget.h"
+#include "ui_nimcompilercleanstepconfigwidget.h"
+
+#include "nimconstants.h"
+#include "project/nimcompilercleanstep.h"
+
+#include "projectexplorer/buildconfiguration.h"
+
+using namespace ProjectExplorer;
+
+namespace Nim {
+
+NimCompilerCleanStepConfigWidget::NimCompilerCleanStepConfigWidget(NimCompilerCleanStep *cleanStep)
+    : BuildStepConfigWidget()
+    , m_cleanStep(cleanStep)
+    , m_ui(new Ui::NimCompilerCleanStepConfigWidget())
+{
+    m_ui->setupUi(this);
+    connect(cleanStep->buildConfiguration(), &BuildConfiguration::buildDirectoryChanged,
+            this, &NimCompilerCleanStepConfigWidget::updateUi);
+    updateUi();
+}
+
+NimCompilerCleanStepConfigWidget::~NimCompilerCleanStepConfigWidget() = default;
+
+QString NimCompilerCleanStepConfigWidget::summaryText() const
+{
+    return tr(Constants::C_NIMCOMPILERCLEANSTEPWIDGET_SUMMARY);
+}
+
+QString NimCompilerCleanStepConfigWidget::displayName() const
+{
+    return tr(Constants::C_NIMCOMPILERCLEANSTEPWIDGET_DISPLAY);
+}
+
+void NimCompilerCleanStepConfigWidget::updateUi()
+{
+    auto buildDiretory = m_cleanStep->buildConfiguration()->buildDirectory();
+    m_ui->workingDirectoryLineEdit->setText(buildDiretory.toString());
+}
+
+}
+