Added csharp format support, cleaned neo-tree's aesthetics a bit

config/rust/language.nix

@@ -0,0 +1,28 @@
+{ pkgs, ... }: {
+  plugins = {
+    conform-nvim = {
+      enable = true;
+      settings = { formatters_by_ft.rust = [ "rustfmt" ]; };
+    };
+    rustaceanvim = {
+      enable = true;
+      settings = {
+        dap.adapter = {
+          command = "${pkgs.lldb_19}/bin/lldb-dap";
+          type = "executable";
+        };
+        tools.enable_clippy = true;
+        server = {
+          default_settings = {
+            inlayHints = { lifetimeElisionHints = { enable = "always"; }; };
+            rust-analyzer = {
+              cargo = { allFeatures = true; };
+              check = { command = "clippy"; };
+            };
+          };
+        };
+      };
+    };
+
+  };
+}