make sure current buffer is always visible in bufferline

bufferline.vim

@@ -0,0 +1,2 @@
+let g:bufferline_rotate = 1
+let g:bufferline_fixed_index = -1

init.vim

@@ -60,6 +60,7 @@ nnoremap <S-space> zA
 let &packpath = &runtimepath
 source ~/.config/nvim/plug.vim
 source ~/.config/nvim/gui.vim
+source ~/.config/nvim/bufferline.vim
 source ~/.config/nvim/latex.vim
 source ~/.config/nvim/markdown.vim
 source ~/.config/nvim/wiki.vim

plug.vim

@@ -1,8 +1,7 @@
 " Specify a directory for plugins
 call plug#begin(stdpath('data') . '/plugged')
-Plug 'kyoz/purify', { 'rtp': 'vim' }
-
 " Colourthemes
+Plug 'kyoz/purify', { 'rtp': 'vim' }
 Plug 'joshdick/onedark.vim'
 Plug 'ayu-theme/ayu-vim'