add rustaceanvim

after/ftplugin/rust.lua

@@ -0,0 +1,4 @@
+local bufnr = vim.api.nvim_get_current_buf()
+vim.keymap.set("n", "<leader>a", function()
+  vim.cmd.RustLsp("codeAction")
+end, { silent = true, buffer = bufnr })

lua/plugins/rustaeceanvim.lua

@@ -0,0 +1,7 @@
+return {
+  {
+    "mrcjkb/rustaceanvim",
+    version = "^3", -- Recommended
+    ft = { "rust" },
+  },
+}