Merge 'upstream': move windows, conform format_on_save

- feat(keymap): move windows without `<C-w>`

- changed Conform's format_on_save lambda so that buffers that match
  disable_filetypes return nil. This allows you to enable a formatter for
  langages in the disable_filetypes table to have a formatter that can be
  run manually with Leader-f but doesnt enable format_on_save for them

lua/kickstart/plugins/conform.lua

@@ -20,16 +20,14 @@ return {
         -- have a well standardized coding style. You can add additional
         -- languages here or re-enable it for the disabled ones.
         local disable_filetypes = { c = true, cpp = true }
-        local lsp_format_opt
         if disable_filetypes[vim.bo[bufnr].filetype] then
-          lsp_format_opt = 'never'
+          return nil
         else
-          lsp_format_opt = 'fallback'
+          return {
+            timeout_ms = 500,
+            lsp_format = 'fallback',
+          }
         end
-        return {
-          timeout_ms = 500,
-          lsp_format = lsp_format_opt,
-        }
       end,
       formatters_by_ft = {
         lua = { 'stylua' },