add markdown support

lua/rua/plugins/lang/rust.lua

@@ -0,0 +1,79 @@
+return {
+  {
+    "hrsh7th/nvim-cmp",
+    dependencies = {
+      {
+        "Saecki/crates.nvim",
+        event = { "BufRead Cargo.toml" },
+        opts = {
+          completion = {
+            cmp = { enabled = true },
+          },
+        },
+      },
+    },
+    ---@param opts cmp.ConfigSchema
+    opts = function(_, opts)
+      opts.sources = opts.sources or {}
+      table.insert(opts.sources, { name = "crates" })
+    end,
+  },
+  {
+    "Saecki/crates.nvim",
+    event = { "BufRead Cargo.toml" },
+    opts = {
+      completion = {
+        cmp = { enabled = true },
+      },
+    },
+  },
+  {
+    "mrcjkb/rustaceanvim",
+    version = "^4", -- Recommended
+    ft = { "rust" },
+    opts = {
+      server = {
+        on_attach = function(_, bufnr)
+          vim.keymap.set("n", "<leader>ca", function()
+            vim.cmd.RustLsp("codeAction")
+          end, { desc = "Code Action", buffer = bufnr })
+          vim.keymap.set("n", "<leader>dr", function()
+            vim.cmd.RustLsp("debuggables")
+          end, { desc = "Rust Debuggables", buffer = bufnr })
+        end,
+        default_settings = {
+          -- rust-analyzer language server configuration
+          ["rust-analyzer"] = {
+            cargo = {
+              allFeatures = true,
+              loadOutDirsFromCheck = true,
+              buildScripts = {
+                enable = true,
+              },
+            },
+            -- Add clippy lints for Rust.
+            checkOnSave = true,
+            procMacro = {
+              enable = true,
+              ignored = {
+                ["async-trait"] = { "async_trait" },
+                ["napi-derive"] = { "napi" },
+                ["async-recursion"] = { "async_recursion" },
+              },
+            },
+          },
+        },
+      },
+    },
+    config = function(_, opts)
+      vim.g.rustaceanvim = vim.tbl_deep_extend("keep", vim.g.rustaceanvim or {}, opts or {})
+      if vim.fn.executable("rust-analyzer") == 0 then
+        print("**rust-analyzer** not found in PATH, please install it.\nhttps://rust-analyzer.github.io/")
+        -- LazyVim.error(
+        --   "**rust-analyzer** not found in PATH, please install it.\nhttps://rust-analyzer.github.io/",
+        --   { title = "rustaceanvim" }
+        -- )
+      end
+    end,
+  },
+}