[nvim] improve rust & python editing

private_dot_config/nvim/lua/config/options.lua.tmpl

@@ -40,3 +40,6 @@ opt.mouse = "a"
 opt.wrap = true
 opt.rtp:append (vim.fn.stdpath ('data') .. '/site') -- https://github.com/neovim/neovim/issues/23082
 opt.inccommand = "split"
+
+-- Set to "ty" instead of pyright.
+vim.g.lazyvim_python_lsp = "ty"

private_dot_config/nvim/lua/plugins/rust.lua

@@ -0,0 +1,4 @@
+return {
+  "alexpasmantier/krust.nvim",
+  ft = "rust",
+}