nvim: init.vim: Update miscellaneous plugins

Couldn't really figure out how to use vim easy align, so just chuck it.
Add tabular & indentline.

Signed-off-by: Sanchayan Maity <maitysanchayan@gmail.com>

nvim/init.vim

@@ -103,7 +103,8 @@ Plug 'jpalardy/vim-slime'
 Plug 'liuchengxu/vim-which-key'
 Plug 'jceb/vim-orgmode'
 Plug 'wellle/targets.vim'
-Plug 'junegunn/vim-easy-align'
+Plug 'godlygeek/tabular'
+Plug 'Yggdroot/indentLine'
 
 " Initialize plugin system
 call plug#end()