Moved Makefile.toml to root. Avoid CD

- This won't cause the error "unresolved external symbol DriverEntry" when compiling from matrix-rs root directory.

- You no longer have to go `cd driver` then  cargo make --profile development.

- Can compile from root.

driver/Makefile.toml → Makefile.toml

@@ -1,4 +1,6 @@
 [env]
+CARGO_MAKE_EXTEND_WORKSPACE_MAKEFILE = true
+CARGO_MAKE_WORKSPACE_SKIP_MEMBERS = ["hypervisor"]
 # Environment variables
 VC_BUILD_DIR = "C:\\Program Files\\Microsoft Visual Studio\\2022\\Community\\VC\\Auxiliary\\Build\\vcvarsamd64_x86.bat"
 CARGO_MAKE_CARGO_BUILD_TEST_FLAGS = "--profile ${CARGO_MAKE_CARGO_PROFILE}"