Add examples to fuzzy search the arglist and netrwhist

Examples-(vim).md

@@ -363,7 +363,7 @@ command! -nargs=* Ag call fzf#run({
 \ })
 ```
 
-### fuzzy search files in parent directory of current file
+### Fuzzy search files in parent directory of current file
 
 This command is very handy if you want to explore or edit the surrounding/neigbouring files of the file your currently editing. (e.g. files in the same directory)
 
@@ -381,4 +381,32 @@ function! s:fzf_neighbouring_files()
 endfunction
 
 command! FZFNeigh call s:fzf_neighbouring_files()
+```
+
+### Fuzzy search the arglist (`:Args`)
+
+```viml
+command! -bang Args call fzf#run(fzf#wrap('args',
+    \ {'source': map([argidx()]+(argidx()==0?[]:range(argc())[0:argidx()-1])+range(argc())[argidx()+1:], 'argv(v:val)')}, <bang>0))
+```
+
+### Fuzzy search netrwhist (`:Netrwhist`)
+
+```viml
+function! MyUniq(lst)
+    return filter(a:lst, 'count(a:lst, v:val) == 1')
+endfunction
+command! -bang Netrwhist call fzf#run(fzf#wrap('netrw_dirhist',
+    \ {'source': 
+    \ !exists('g:netrw_dirhist_cnt')
+    \   ?"tail -n +3 ".g:netrw_home.".netrwhist | cut -d \"'\" -f2- | rev | cut -d \"'\" -f2- | rev | awk '!seen[$0]++'"
+    \   :MyUniq(map(range(1,g:netrw_dirhist_cnt), 'g:netrw_dirhist_{v:val}'))
+    \ }, <bang>0))
+```
+This uses the command line tools `tail`, `cut`, `rev`, and `awk` which are most likely available under macOS and Linux.
+
+The default value of `g:netrw_dirhistmax` is 10. You might be interested in increasing this value when you use this feature more often:
+
+```viml
+let g:netrw_dirhistmax = 1000
 ```