so like, there!s errrors but idc and its late and im eepi

flake.nix

@@ -18,10 +18,17 @@
     devShells."${system}" = {
       default = pkgs.mkShell {
         buildInputs = with pkgs; [
+          rustup
           gcc
           gnumake
           rust-bin.stable.latest.default
           evcxr
+          openocd
+          gcc-arm-embedded
+          stlink
+          pkg-config
+          openssl
+          gdb
         ];
       };
     };