Try to make diffs readable, change to pyright

.vim/spell/sv.utf-8.add

@@ -392,3 +392,4 @@ problemdiskussionen
 Checklista
 systemutveckling
 exekveringsmodell
+bringup

.vimrc

@@ -268,7 +268,8 @@ let g:PaperColor_Theme_Options = {
   \       'override' : {
   \         'color00' : ['#FFFFFF', '231'],
   \         'color05' : ['#FFFFFF', '73'],
-  \         'difftext_bg' : ['#FFFFFF', '25'],
+  \         'difftext_bg' : ['#60e1ff', ''],
+  \         'difftext_fg' : ['#0f1d20', ''],
   \       }
   \     }
   \   }
@@ -278,9 +279,19 @@ let g:PaperColor_Theme_Options = {
 "colorscheme molokai
 "colorscheme wikipedia
 colorscheme PaperColor
-if &diff
-    colorscheme sol
-endif
+"if &diff
+    "colorscheme sol
+"endif
+
+"highlight DiffAdd    cterm=bold ctermfg=0 ctermbg=15 gui=none guifg=bg guibg=Red
+"highlight DiffDelete cterm=bold ctermfg=0 ctermbg=15 gui=none guifg=bg guibg=Red
+"highlight DiffChange cterm=bold ctermfg=0 ctermbg=15 gui=none guifg=bg guibg=Red
+"highlight DiffText   cterm=bold ctermfg=0 ctermbg=88 gui=none guifg=bg guibg=Red
+
+" Fix the difficult-to-read default setting for diff text highlighting.  The
+" bang (!) is required since we are overwriting the DiffText setting. The highlighting
+" for "Todo" also looks nice (yellow) if you don't like the "MatchParen" colors.
+"highlight! link DiffText MatchParen
 
 " handling setting and unsetting BAT_THEME for fzf.vim
 augroup update_bat_theme
@@ -786,7 +797,7 @@ let g:coc_global_extensions = [
     \'coc-rust-analyzer',
     \'coc-markdownlint',
     \'coc-yaml',
-    \'coc-python',
+    \'coc-pyright',
     \'coc-diagnostic',
     \'coc-vimtex']
 
@@ -836,6 +847,8 @@ let g:vimtex_fold_enabled = 1
 " Need to manualy refresh folds with zx
 let g:vimtex_fold_manual = 1
 set fillchars=fold:\ 
+" No quickfix on warnings
+let g:vimtex_quickfix_open_on_warning = 0
 
 " Skim plugin via skim.vim / similar like fzf
 map <C-f> <Esc><Esc>:Files!<CR>