chore(nvim): add fzf plugin, configuration, and mappings

nvim/init.vim

@@ -208,6 +208,7 @@ endif
 call plug#begin(data_dir . '/plugins')
 
 source ~/.config/nvim/plugins/base16-vim.vim
+source ~/.config/nvim/plugins/fzf.vim
 
 call plug#end()
 doautocmd User PlugLoaded

nvim/plugins/fzf.vim

@@ -0,0 +1,23 @@
+" A command-line fuzzy finder
+Plug 'junegunn/fzf', { 'dir': '~/.fzf', 'do': './install --all' }
+Plug 'junegunn/fzf.vim'
+
+" Key bindings
+let g:fzf_action = {
+      \ 'ctrl-t': 'tab split',
+      \ 'ctrl-x': 'split',
+      \ 'ctrl-v': 'vsplit' }
+
+" Popup window centered on the screen
+let g:fzf_layout = { 'window': { 'width': 0.8, 'height': 0.8 } }
+
+" Enable per-command history
+let g:fzf_history_dir = '~/.local/share/fzf-history'
+
+" Mappings
+map <C-f> :Files<CR>
+map <leader>b :Buffers<CR>
+nnoremap <leader>r :Rg<CR>
+nnoremap <leader>gs :GFiles?<CR>
+nnoremap <leader>t :Tags<CR>
+nnoremap <leader>m :Marks<CR>