feat: add <localleader>lS for vimtex-compile-ss

refer: #3234

Author: lervag

autoload/vimtex.vim

@@ -195,6 +195,7 @@ function! s:init_default_mappings() abort " {{{1
 
   if g:vimtex_compiler_enabled
     call s:map_prefixed(0, 'n', 'l', '<plug>(vimtex-compile)')
+    call s:map_prefixed(0, 'n', 'S', '<plug>(vimtex-compile-ss)')
     call s:map_prefixed(0, 'n', 'o', '<plug>(vimtex-compile-output)')
     call s:map_prefixed(1, 'n', 'L', '<plug>(vimtex-compile-selected)')
     call s:map_prefixed(1, 'x', 'L', '<plug>(vimtex-compile-selected)')

doc/vimtex.txt

@@ -849,6 +849,7 @@ This feature is explained in more detail later, see |vimtex-imaps|.
    <localleader>lr  |<plug>(vimtex-reverse-search)|                 `n`
    <localleader>ll  |<plug>(vimtex-compile)|                        `n`
    <localleader>lL  |<plug>(vimtex-compile-selected)|               `nx`
+   <localleader>lS  |<plug>(vimtex-compile-ss)|                     `n`
    <localleader>lk  |<plug>(vimtex-stop)|                           `n`
    <localleader>lK  |<plug>(vimtex-stop-all)|                       `n`
    <localleader>le  |<plug>(vimtex-errors)|                         `n`