issue #45 Update build instructions and prerequisites

Updated the required C++ compiler version to C++ 22. Removed the need for a local copy of libcurl. Updated Windows build instructions to include vcpkg installation and removed detailed build steps. Added an explanation for using vcpkg to simplify compiling the CURL dependency on Windows.

source/SOURCE.md

@@ -5,10 +5,8 @@ This project aims at providing a reference implementation for an IPA framework.
 ## Prerequisites
 
 You will need
-- A C/C++ compiler supporting at least C++ 17
+- A C/C++ compiler supporting at least C++ 22
 - CMake version 3.22
-- a local copy of libcurl https://curl.se/download.html so that it can be found
-  by FindPackage on Windows systems
 - A C++ IDE of your choice
 - An OpenAI developer key
 
@@ -41,17 +39,9 @@ file `w3cipa/CMakeLists.txt`.
 
 #### Console
 
-On Windows systems
-
-```
-cd source/w3cipa
-mkdir build
-cd build
-cmake .. -DCURL_INCLUDE_DIR=<Your path to the CURL include directory> -DCURL_LIBRARY=<Your path to the CURL library> -DCURL_SHARED_LIBRARY=<Your path to the CURL shared library>
-make && make install
-```
-
-On Linux based systems or any other
+On Windows systems you will also need to install [vcpkg](https://learn.microsoft.com/en-us/vcpkg/get_started/overview) installed.
+Unfortuanately, it is quite a hazzle to get the dependency on CURL compiled in the Windows environment 
+and this seems to be the easiest way to get it done.
 
 ```
 cd source/w3cipa