Fix .sln project generation logic for Rider to support all OS and all C++ toolchains

Co-authored-by: Andreia Gaita <shana@spoiledcat.net>
Co-authored-by: Rémi Verschelde <rverschelde@gmail.com>

platform/linuxbsd/msvs.py

@@ -0,0 +1,11 @@
+# Tuples with the name of the arch
+def get_platforms():
+    return [("x64", "x86_64")]
+
+
+def get_configurations():
+    return ["editor", "template_debug", "template_release"]
+
+
+def get_build_prefix(env):
+    return []