doc: modernise example(s)

example_template/include/TemplateModule.h

-// SPDX-FileCopyrightText: Deutsches Elektronen-Synchrotron DESY, MSK, ChimeraTK Project <chimeratk-support@desy.de>
-// SPDX-License-Identifier: LGPL-3.0-or-later
-#pragma once
-
-#include <ChimeraTK/ApplicationCore/ApplicationCore.h>
-
-namespace ctk = ChimeraTK;
-
-struct TemplateModule : public ctk::ApplicationModule {
-  using ctk::ApplicationModule::ApplicationModule;
-  /*
-   * Add input/output definition
-   * */
-  void mainLoop() override;
-};

example_template/include/version.h.in

-// SPDX-FileCopyrightText: Deutsches Elektronen-Synchrotron DESY, MSK, ChimeraTK Project <chimeratk-support@desy.de>
-// SPDX-License-Identifier: LGPL-3.0-or-later
-#pragma once
-
-class AppVersion {
-  public:
-    // About 1xx-100: This is to prevent 08 and 09 being interpreted as
-    // octal, which would result in a compiler error.
-    static constexpr uint32_t major = 1${${PROJECT_NAME}_MAJOR_VERSION}-100;
-    static constexpr uint32_t minor = 1${${PROJECT_NAME}_MINOR_VERSION}-100;
-    static constexpr uint32_t patch = 1${${PROJECT_NAME}_PATCH_VERSION}-100;
-};

example_template/src/Server.cc

-// SPDX-FileCopyrightText: Deutsches Elektronen-Synchrotron DESY, MSK, ChimeraTK Project <chimeratk-support@desy.de>
-// SPDX-License-Identifier: LGPL-3.0-or-later
-
-#include "Server.h"
-
-#include "version.h"
-
-Server::Server(std::string appName)
-: ctk::Application(appName),
-  dmapPath(appName + ".dmap"), config{this, "Configuration", getName() + "-Config.xml"}, device{this,
-                                                                                             "MappedDummyDevice"},
-  templateModule{this, "TemplateModule", "This is a template module, adapt as needed!"} {
-  std::cout << "*** Construction of " << appName << " in version " << AppVersion::major << "." << AppVersion::minor
-            << "." << AppVersion::patch << " starts. ***" << std::endl;
-  std::cout << "*** Construction of " << appName << " in version " << AppVersion::major << "." << AppVersion::minor
-            << "." << AppVersion::patch << " done. ***" << std::endl;
-}
-
-Server::~Server() {
-  shutdown();
-}

example_template/src/TemplateModule.cc

-// SPDX-FileCopyrightText: Deutsches Elektronen-Synchrotron DESY, MSK, ChimeraTK Project <chimeratk-support@desy.de>
-// SPDX-License-Identifier: LGPL-3.0-or-later
-
-#include "TemplateModule.h"
-
-void TemplateModule::mainLoop() {
-  /*
-   * Here a main infinite loop for the Module should be defined.
-   * It is commented out on purpose in this TemplateModule.
-   *
-   */
-  /*
-  while(true) {
-
-  }
-  */
-}

example_template/src_server/ApplicationInstance.cc

-// SPDX-FileCopyrightText: Deutsches Elektronen-Synchrotron DESY, MSK, ChimeraTK Project <chimeratk-support@desy.de>
-// SPDX-License-Identifier: LGPL-3.0-or-later
-
-#include "Server.h"
-
-/// The Server instance
-static Server theServer;

example_template/src_xmlGenerator/XmlGenerator.cc

-// SPDX-FileCopyrightText: Deutsches Elektronen-Synchrotron DESY, MSK, ChimeraTK Project <chimeratk-support@desy.de>
-// SPDX-License-Identifier: LGPL-3.0-or-later
-
-#include "Server.h"
-
-#include <ChimeraTK/ApplicationCore/EnableXMLGenerator.h>
-
-/// The Server instance
-static Server theServer;

example_template/tests/executables_src/testTemplateModule.cc

-// SPDX-FileCopyrightText: Deutsches Elektronen-Synchrotron DESY, MSK, ChimeraTK Project <chimeratk-support@desy.de>
-// SPDX-License-Identifier: LGPL-3.0-or-later
-
-// Define a name for the test module.
-#define BOOST_TEST_MODULE testTemplateServer
-// Only after defining the name include the unit test header.
-#include "Server.h"
-
-#include <ChimeraTK/ApplicationCore/TestFacility.h>
-
-#include <boost/test/included/unit_test.hpp>
-
-// Declare the server instance
-static Server theServer;
-
-static ChimeraTK::TestFacility testFacility{theServer};
-
-struct TestFixture {
-  TestFixture() { testFacility.runApplication(); }
-};
-static TestFixture fixture;
-
-using namespace boost::unit_test_framework;
-
-/// TestSuite for the server, adapt name
-BOOST_AUTO_TEST_SUITE(TemplateServerTestSuite)
-
-/**********************************************************************************************************************/
-
-/// A template test case
-BOOST_AUTO_TEST_CASE(testTemplate) {
-  std::cout << "testTemplate" << std::endl;
-}
-
-/**********************************************************************************************************************/
-
-BOOST_AUTO_TEST_SUITE_END()