nvim: after/plugin/wilder: Update configuration

- Do not enable the popup menu automatically
- Use arrow keys to navigate
- Enable for cmdline

nvim/.config/nvim/after/plugin/wilder.vim

@@ -1,9 +1,10 @@
 call wilder#setup({
-      \ 'modes': ['/', '?'],
-      \ 'next_key': '<Tab>',
-      \ 'previous_key': '<S-Tab>',
-      \ 'accept_key': '<Down>',
-      \ 'reject_key': '<Up>',
+      \ 'modes'                : ['/', '?', ':'],
+      \ 'next_key'             : '<Down>',
+      \ 'previous_key'         : '<Up>',
+      \ 'accept_key'           : '<Right>',
+      \ 'reject_key'           : '<Left>',
+      \ 'enable_cmdline_enter' : 0,
       \ })
 
 call wilder#set_option('pipeline', [