use sh instead of fish as default shell

TODO

@@ -1,8 +1,5 @@
 - per project lsp settings
-- set neovim shell to bash/sh for faster commands (fish is slow)
    see https://www.reddit.com/r/neovim/comments/opipij/guide_tips_and_tricks_to_reduce_startup_and/
-- yank until end of line $ mapping
-- remove registers from which-key plugin
 - fix color/icon of status line diagnostics to match navigator
 - pin all plugins
 - autocommand move current directory when move to new window
@@ -23,4 +20,7 @@
 - incorporate changes in nvchad_ui to override 
 
 - [x]nvim C-p should not work in ft=qf 
-
+- [x] set neovim shell to bash/sh for faster commands (fish is slow)
+- [x] yank until end of line $ mapping automatic with Y
+- [x] remove registers from which-key plugin
+  -fix: problem with auto paused navigators

lua/core/options.lua

@@ -9,6 +9,9 @@ g.transparency = config.ui.transparency
 g.theme_switcher_loaded = false
 -- g.fg_man_folding_enable = true -- enable folding for man pages
 
+
+if vim.fn.executable("sh") then opt.shell = vim.fn.exepath("sh") end
+
 -- use filetype.lua instead of filetype.vim. it's enabled by default in neovim 0.8 (nightly)
 if g.vim_version < 8 then
   g.did_load_filetypes = 0