Add version system

.gitignore

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+.vs/
+build/

CMakeLists.txt

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+# Watchful Eye project CMakeLists.txt
+cmake_minimum_required(VERSION 3.20)
+
+project(watchful-eye)
+
+add_subdirectory(WatchfulEye)

CMakePresets.json

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+// Watchful Eye CMake presets
+{
+  "version": 3,
+
+  "configurePresets": [
+    {
+      "name": "base",
+      "hidden": true,
+      "generator": "Ninja",
+      "binaryDir": "${sourceDir}/build/${presetName}",
+      "architecture": {
+        "value": "x64",
+        "strategy": "external"
+      },
+      "cacheVariables": {
+        "CMAKE_C_COMPILER": "cl.exe",
+        "CMAKE_CXX_COMPILER": "cl.exe"
+      }
+    },
+
+    {
+      "name": "Debug",
+      "inherits": "base",
+      "cacheVariables": {
+        "CMAKE_BUILD_TYPE": "Debug"
+      }
+    },
+
+    {
+      "name": "Release",
+      "inherits": "base",
+      "cacheVariables": {
+        "CMAKE_BUILD_TYPE": "Release"
+      }
+    }
+  ],
+
+  "buildPresets": [
+    {
+      "name": "Debug",
+      "configurePreset": "Debug"
+    },
+
+    {
+      "name": "Release",
+      "configurePreset": "Release"
+    }
+  ]
+}

WatchfulEye/CMakeLists.txt

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+# Watchful Eye app CMakeLists.txt
+add_executable(WatchfulEye WIN32 "src/main.cpp")
+
+set_property(TARGET WatchfulEye PROPERTY CXX_STANDARD 20)
+
+set(CMAKE_EXE_LINKER_FLAGS "${CMAKE_EXE_LINKER_FLAGS} /entry:mainCRTStartup")
+
+if(${CMAKE_BUILD_TYPE} STREQUAL "Debug")
+    set_property(TARGET WatchfulEye PROPERTY WIN32_EXECUTABLE FALSE)
+endif()
+
+find_package(Git)
+execute_process(COMMAND ${GIT_EXECUTABLE} describe OUTPUT_VARIABLE APPVERSION OUTPUT_STRIP_TRAILING_WHITESPACE)
+configure_file(src/version.h.in version.h)
+target_include_directories(WatchfulEye PUBLIC "${PROJECT_BINARY_DIR}/WatchfulEye")

WatchfulEye/src/main.cpp

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+// Watchful Eye main file
+#include <iostream>
+
+#include "version.h"
+
+int main(int argc, char* argv[]) {
+    std::cout << "Watchful Eye " APPVERSION "\n";
+
+    std::cin.get();
+    return EXIT_SUCCESS;
+}

WatchfulEye/src/version.h.in

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+// Version configured header file
+#define APPVERSION "@APPVERSION@"