feat(nvim): enable inlay hints for rust-analyzer

modules/coding/editor/neovim/nvim/lua/plugins/lsp/lspconfig.lua

@@ -34,6 +34,9 @@ local servers = {
         },
       },
     },
+    on_attach = function(client, bufnr)
+      require("inlay-hints").on_attach(client, bufnr)
+    end,
   },
   nixd = {
     settings = {