nvim: plugin_settings: Set up some more vimtex options

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

nvim/.config/nvim/plugin_settings.vim

@@ -49,6 +49,9 @@ let g:sneak#use_ic_scs = 0
 
 " vimtex
 let g:tex_flavor = 'latex'
+let g:vimtex_view_general_viewer = 'qpdfview'
+let g:vimtex_view_general_options = '--unique @pdf\#src:@tex:@line:@col'
+let g:vimtex_view_general_options_latexmk = '--unique'
 
 " Neovim LSP Diagnostics
 let g:diagnostic_enable_virtual_text = 0