Starts adding rust in the toolchain

bench/programs_rust/Cargo.toml

@@ -0,0 +1,13 @@
+[workspace]
+resolver = "3"
+members = ["fpga_lib", "hello_rust"]
+
+[profile.release]
+panic = "abort"
+codegen-units = 1 # better optimizations
+lto = true # better optimizations
+strip = true
+opt-level = "z"
+
+[profile.dev]
+panic = "abort"