Add nvim-lazy submodule and add plugin configuration.

pkgsets/nvim/lsp/python.nix

@@ -0,0 +1,44 @@
+{
+  lib,
+  config,
+  pkgs,
+  ...
+}:
+
+lib.optionalString (lib.elem "nvim::lsp::python" config.machine.pkgs) # lua
+  ''
+    lspconfig.pyright.setup({
+      cmd = {"${pkgs.pyright}/bin/pyright-langserver", "--stdio"},
+      settings = {
+        pyright = {
+          disableOrganizeImports = true,
+        },
+        python = {
+        --  analysis = {
+        --    ignore = { '*' },
+        --  },
+        },
+      },
+    })
+    lspconfig.ruff.setup({
+      cmd = {"${pkgs.ruff}/bin/ruff", "server", "--preview"},
+      init_options = {
+        settings = {
+          -- Modification to any of these settings has no effect.
+          enable = true,
+          ignoreStandardLibrary = true,
+          organizeImports       = true,
+          fixAll                = true,
+          lint = {
+            enable = true,
+            run    = 'onType',
+          },
+        },
+      },
+      on_attach = function(client, bufnr)
+        if client.name == 'ruff' then
+          client.server_capabilities.hoverProvider = false;
+        end
+      end,
+    })
+  ''