nvim/plug: +notify@v3

This is a much prettier frontend for the vim.notify API, which is used
by a lot of plugins to communicate information and/or errors.

Try it out yourself:
  :lua vim.notify('Hello, world!', 'info', { title = 'Testing Notify'})

nvim/lua/psoxizsh/plugins/config/notify.lua

@@ -0,0 +1,21 @@
+return function()
+  local notify, util = require 'notify', require 'psoxizsh.util'
+  local loaded = _G._psoxizsh_plug_config_notify_loaded
+
+  local defaults = {
+    background_colour = "#000000",
+    timeout = 2000,
+    top_down = false,
+  }
+
+  notify.setup(util.mconfig('config.notify', defaults))
+
+  -- Set notify as the default Neovim notification service
+  -- However, weird stuff happens if we set this multiple times
+  -- so guard against that
+  if not loaded then
+    vim.notify = notify
+    _G._psoxizsh_plug_config_notify_loaded = true
+  end
+
+end

nvim/lua/psoxizsh/plugins/plug.lua

@@ -23,6 +23,12 @@ local plugins = {
       config = require 'psoxizsh.plugins.config.onedark'
   },
 
+  -- Pretty vim.notify
+  { 'rcarriga/nvim-notify',
+      tag = 'v3.*',
+      config = require 'psoxizsh.plugins.config.notify'
+  },
+
   -- Text alignment
   { 'junegunn/vim-easy-align' },
   { 'tmsvg/pear-tree',