Add full-text search to notes

Adds full-text search with CtrlSF vim plugin. Activated via
<leader>wf, to spell wiki-find (mirrors <leader>ww for wiki-index).

Optimizations can certainly be done.

.config/nvim/init.vim

@@ -56,6 +56,7 @@ Plug 'reedes/vim-textobj-sentence' " extends the capabilities of sentence detect
 Plug 'scrooloose/nerdtree', { 'on': 'NERDTreeToggle' } " show a directory listing within vim
 Plug 'Xuyuanp/nerdtree-git-plugin', { 'on': 'NERDTreeToggle' } " show git status in nerdtree for files and dirs
 Plug 'Yggdroot/LeaderF', { 'on': ['Leaderf', 'LeaderfFile', 'LeaderfBuffer'], 'do': './install.sh' } " fuzzy matcher, apparently faster than fzf, ctrlp, unit, denite
+Plug 'dyng/ctrlsf.vim'
 
 " Language Integration
 Plug 'sheerun/vim-polyglot' " syntax plugins for almost every language
@@ -357,6 +358,20 @@ nnoremap <leader>E :NERDTreeFind<CR>
 nnoremap <leader>f :LeaderfFile<cr>
 nnoremap <leader>F :LeaderfBuffer<cr>
 
+function! SearchWiki()
+  let l:curpath=getcwd()
+  :execute(":cd " . g:wiki_root)
+  let l:texttofind=input("Search in Notes: ")
+  :execute(":CtrlSF " . l:texttofind)
+  :CtrlSFFocus
+  :execute(":cd " . l:curpath)
+endfunction
+
+" search in wiki with ctrlsf
+nnoremap <leader>wf :execute(":call SearchWiki()")<cr>
+nnoremap <C-F> <Plug>CtrlSFPrompt
+vnoremap <C-F> <Plug>CtrlSFVwordPath
+
 " Mostly dealing with Prose writing from here on out
 " Format current Paragraph (esp useful in prose writing)
 nnoremap <silent> <leader>q gqap