Add rust and toml LSP configs

lsp/rust-analyzer.lua

@@ -0,0 +1,11 @@
+return {
+    cmd = { "rust-analyzer" },
+    filetypes = { "rust" },
+    root_makers = { "Cargo.toml", ".git" },
+    capabilities = {
+        experimental = {
+            serverStatusNotification = true
+        }
+    },
+    single_file_support = true,
+}

lsp/taplo.lua

@@ -0,0 +1,5 @@
+return {
+    cmd = { "taplo", "lsp", "stdio" },
+    filetypes = { "toml" },
+    single_file_support = true
+}