Update template with latest tools; Add install batch file for easy usage with VSCode addon

template/JabyEngine-PSX_Game/application/src/main.cpp

@@ -1,3 +1,5 @@
-int main() {
-    return 0;
+#include <stdio.h>
+
+void main() {
+    printf("Hello Planschbecken!\n");
 }