Improve LSP configs and change keybindings to align with default nvim

0.11 ones

lsp/pyright.lua

@@ -1,6 +1,8 @@
 return {
     cmd = { "pyright-langserver", "--stdio" },
     filetypes = { "python" },
+    root_markers = { "pyproject.toml" },
+
     settings = {
         python = {
             analysis = {