Add iOS and OSX icon themes by pe

gui/MainWindow.ui

@@ -505,6 +505,8 @@
   <include location="../resources/pe_clolored/pe_colored.qrc"/>
   <include location="../resources/multimc/multimc.qrc"/>
   <include location="../resources/instances/instances.qrc"/>
+  <include location="../resources/OSX/OSX.qrc"/>
+  <include location="../resources/iOS/iOS.qrc"/>
  </resources>
  <connections/>
 </ui>

gui/pages/InstanceSettingsPage.h

@@ -41,7 +41,7 @@ public:
 	}
 	virtual QIcon icon() const override
 	{
-		return QIcon::fromTheme("settings");
+		return QIcon::fromTheme("instance-settings");
 	}
 	virtual QString id() const override
 	{

gui/pages/NotesPage.h

@@ -40,7 +40,10 @@ public:
 	}
 	virtual QIcon icon() const override
 	{
-		return QIcon::fromTheme("news");
+		auto icon = QIcon::fromTheme("notes");
+		if(icon.isNull())
+			icon = QIcon::fromTheme("news");
+		return icon;
 	}
 	virtual QString id() const override
 	{

gui/pages/global/AccountListPage.h

@@ -42,7 +42,12 @@ public:
 	}
 	QIcon icon() const override
 	{
-		return QIcon::fromTheme("noaccount");
+		auto icon = QIcon::fromTheme("accounts");
+		if(icon.isNull())
+		{
+			icon = QIcon::fromTheme("noaccount");
+		}
+		return icon;
 	}
 	QString id() const override
 	{

gui/pages/global/MultiMCPage.cpp

@@ -282,6 +282,12 @@ void MultiMCPage::applySettings()
 	case 4:
 		s->set("IconTheme", "pe_colored");
 		break;
+	case 5:
+		s->set("IconTheme", "OSX");
+		break;
+	case 6:
+		s->set("IconTheme", "iOS");
+		break;
 	case 0:
 	default:
 		s->set("IconTheme", "multimc");
@@ -347,6 +353,14 @@ void MultiMCPage::loadSettings()
 	{
 		ui->themeComboBox->setCurrentIndex(4);
 	}
+	else if (theme == "OSX")
+	{
+		ui->themeComboBox->setCurrentIndex(5);
+	}
+	else if (theme == "iOS")
+	{
+		ui->themeComboBox->setCurrentIndex(6);
+	}
 	else
 	{
 		ui->themeComboBox->setCurrentIndex(0);

gui/pages/global/MultiMCPage.ui

@@ -354,6 +354,16 @@
               <string>Simple (Colored Icons)</string>
              </property>
             </item>
+            <item>
+             <property name="text">
+              <string>OSX</string>
+             </property>
+            </item>
+            <item>
+             <property name="text">
+              <string>iOS</string>
+             </property>
+            </item>
            </widget>
           </item>
          </layout>