config updates

nvim.lua/.config/nvim/after/ftplugin/rust.lua

@@ -0,0 +1,18 @@
+local bufnr = vim.api.nvim_get_current_buf()
+vim.keymap.set(
+    "n",
+    "<leader>a",
+    function()
+        vim.cmd.RustLsp('codeAction') -- supports rust-analyzer's grouping
+        -- or vim.lsp.buf.codeAction() if you don't want grouping.
+    end,
+    { silent = true, buffer = bufnr }
+)
+vim.keymap.set(
+    "n",
+    "K",  -- Override Neovim's built-in hover keymap with rustaceanvim's hover actions
+    function()
+        vim.cmd.RustLsp({'hover', 'actions'})
+    end,
+    { silent = true, buffer = bufnr }
+)