feat(readme): add note about unstability and improve wording

Author: Maneren

README.md

@@ -1,10 +1,15 @@
 # Neovim config
 
-My Neovim config based heavily around AstroNvim and astrocommunity.
+My Neovim config based around the AstroNvim distribution and astrocommunity.
 
 Primarily meant to be used as part of my [dotfiles repository](https://github.com/maneren/dotfiles).
 The separation was mainly historical, but is still kept for cleaner versioning,
-since I change this much more frequently than the dotfiles.
+since I change this much more frequently than the other dotfiles.
+
+Everyone is welcome to use this or copy parts of it into their configs as they
+please. Just don't expect anything too stable, most plugins are tracking the
+main/master branches and the config itself is always work-in-progress.
 
 Compatibility is maintained with the latest Neovim version available in repos of
-whatever OS I currently use (mostly Arch derivatives tho, so quite up-to-date).
+whatever OS I currently use (nowadays mostly Arch derivatives, so quite
+up-to-date).