[vim] vimwiki tweaks

- Unbind `-` so it doesn't conflict with vimwiki
- Bind gl<Space> for TODOs

.vim/after/ftplugin/vimwiki.vim

@@ -0,0 +1 @@
+nnoremap <silent><script><buffer> gl<Space> :VimwikiToggleListItem<CR>

.vimrc

@@ -199,6 +199,7 @@ nmap Y <Plug>(operator-flashy)$
 
 " vimwiki
 let g:vimwiki_global_ext = 0
+let g:vimwiki_key_mappings = { 'headers': 0 } " `-` conflicts w/vim-vinegar
 let g:vimwiki_list = [{'path': '~/sync/alphanote/', 'syntax': 'markdown', 'ext': '.md'}]
 
 " vim-sleuth