markdown: enable autowriteall for markdown files

- Enables `autowriteall` for markdown files (pandoc filteype, as I use
  the vim-pandoc plugin).
- Modify the rules to ignore spell files.

Co-Authored-by: iGor milhit <igor@milhit.ch>

.gitignore

@@ -5,8 +5,9 @@ autoload
 # netrw
 .netrwhist
 
-# spell *.spl
+# spell
-spell/
+*.spl
+spell/*
 
 tags
 test.sh

.gitignore.orig

@@ -0,0 +1,20 @@
+# `vim-plug` plugins
+plugged/*
+autoload
+
+# netrw
+.netrwhist
+
+<<<<<<< HEAD
+# spell *.spl
+=======
+# spell
+*.spl
+>>>>>>> c47fcd7 (gitignore: try to improve the spell rule)
+spell/*
+
+tags
+test.sh
+.luarc.json
+nvim
+lazy-lock.json

after/ftplugin/pandoc.lua

@@ -0,0 +1,5 @@
+-- Specific settings for markdown files (pandoc filetype)
+--  Enable the autowrite feature for all commands
+--  See :h awa
+
+vim.opt.awa=true