C++ setup files and documentation

tests/setup/README.md

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+# Running C++20 Code with GCC
+
+This guide outlines the steps to compile and run C++20 code using the GNU Compiler Collection (GCC). It is intended for those who want to work with modern C++ features. More specifcially, it is important that we use a consistent version of C++ throughout the entirety of this project to ensure consistency. 
+
+Flag 
+```bash
+-std=c++20
+```
+should be used on all g++ compilation commands. 
+
+## Prerequisites
+Before running C++20 code, ensure you have the following:
+- GCC installed (Version 10 or later for C++20 support)
+- Basic understanding of C++ programming
+- A terminal or command-line environment
+
+## Compiling C++20 Code
+To compile a C++20 program, use the following command in your terminal or command line:
+
+```bash
+g++ -std=c++20 <source-file> -o <output-file>
+```
+
+## Example 
+Here's an example to compile a C++20 program, main.cpp, into an executable called my_program:
+
+```bash
+g++ -std=c++20 main.cpp -o my_program
+```
+
+## Running the program
+To run the compiled executable, use the following command:
+```bash
+./my_program
+```
+This will execute the compiled code and display the output in your terminal or command-line environment.

tests/setup/version.cpp

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+#include <iostream>
+#include <ranges>
+
+// test program to ensure successfull c++ 20 setup and gcc setup
+int main()
+{
+    std::vector<int> numbers = {1, 2, 3, 4, 5};
+    for (int i = 0; i < numbers.size(); i++)
+    {
+        std::cout << numbers[i] << " ";
+    }
+    return 0;
+}