Reorganize folders and added windows build with MSVC for debugging

build.sh

@@ -1,6 +1,9 @@
-clang main.c -g -o lisp --std=c99 || exit 1
+mkdir quickbuild
+clang src/main.c -g -o ./quickbuild/lisp --std=c99 || exit 1
 
 echo ""
 echo "--- Output Start ---"
-./lisp test.lsp
+./quickbuild/lisp
 echo "--- Output End ---"
+
+rm -rf quickbuild