nvim: split plugins into multiple files

.config/nvim/lua/plugins/spelunker.lua

@@ -0,0 +1,12 @@
+return {
+  -- improve spelling check for coding to feature camelcase, etc
+  {
+    'kamykn/spelunker.vim',
+    dependencies = { 'kamykn/popup-menu.nvim' },
+    config = function()
+      vim.o.nospell = true
+      vim.g.enable_spelunker_vim = 0
+      vim.g.spelunker_disable_acronym_checking = 1
+    end
+  }
+}