chore(config): vim: split config, tweaks

Signed-off-by: Ismo Vuorinen <ismo@ivuorinen.net>

config/vim/after/autocmd.vim

@@ -0,0 +1,64 @@
+"" The PC is fast enough, do syntax highlight
+"" syncing from start 6nless 200 lines
+augroup vimrc-sync-fromstart
+  autocmd!
+  autocmd BufEnter * :syntax sync maxlines=600
+augroup END
+
+"" txt
+augroup vimrc-wrapping
+  autocmd!
+  autocmd BufRead,BufNewFile *.txt call s:setupWrapping()
+augroup END
+
+"" make/cmake
+augroup vimrc-make-cmake
+  autocmd!
+  autocmd FileType make setlocal noexpandtab
+  autocmd BufNewFile,BufRead CMakeLists.txt setlocal filetype=cmake
+augroup END
+
+set autoread
+
+""" Create/get autocommand group
+function! s:CreateAugroup(name) abort
+  execute 'augroup' a:name
+  autocmd!
+  augroup END
+endfunction
+
+" Highlight on yank
+" See `:help vim.highlight.on_yank()`
+call s:CreateAugroup('YankHighlight')
+autocmd YankHighlight TextYankPost * silent! lua vim.highlight.on_yank()
+
+" Set the numberwidth to the maximum line number.
+" Fixes the issue where the line numbers jump
+" around when moving between lines with relative line numbers enabled.
+call s:CreateAugroup('AdjustNumberWidth')
+autocmd AdjustNumberWidth BufEnter,BufWinEnter,TabEnter *
+  \ let max_line_count = line('$') |
+  \ if max_line_count > 99 |
+  \   let &numberwidth = strlen(string(max_line_count)) + 1
+  \ endif
+
+" Windows to close with "q"
+call s:CreateAugroup('close_with_q')
+autocmd close_with_q FileType checkhealth,dbout,gitsigns.blame,grug-far,help,
+  \ lspinfo,man,neotest-output,neotest-output-panel,neotest-summary,notify,
+  \ qf,spectre_panel,startuptime,tsplayground
+  \ setlocal buflisted=false |
+  \ nnoremap <silent> <buffer> q :close<CR>
+
+" Make it easier to close man-files when opened inline
+call s:CreateAugroup('man_unlisted')
+autocmd man_unlisted FileType man setlocal buflisted=false
+
+" Wrap and check for spell in text filetypes
+call s:CreateAugroup('wrap_spell')
+autocmd wrap_spell FileType text,plaintex,typst,gitcommit,markdown,asciidoc,rst,tex
+  \ setlocal wrap spell
+
+" Fix conceallevel for json files
+call s:CreateAugroup('json_conceal')
+autocmd json_conceal FileType json,jsonc,json5 setlocal conceallevel=0