~ fixed clang tidy errors

main/main.cpp

@@ -1,7 +1,7 @@
 #include <iostream>
 
-#include "vkvm.hpp"
 #include "internal.hpp"
+#include "vkvm.hpp"
 
 int main() {
     vkvm::initialize(0);

src/demo.cpp

@@ -1,5 +1,6 @@
 #include "demo.h"
 
 int test() {
-    return 42;
+    const int returnValue = 42;
+    return returnValue;
 }

test/test_demo.cpp

@@ -1,5 +1,5 @@
-#include <catch2/catch.hpp>
 #include "../src/demo.h"
+#include <catch2/catch.hpp>
 
 TEST_CASE("Demo test") {
     REQUIRE(test() == 42);