fix contains

lua/nvim-goodies/string/init.lua

@@ -1,10 +1,5 @@
-function string:contains(table)
-  for i = 1, #table do
-    if table[i] == self then
-      return true
-    end
-  end
-  return false
+function string:contains(str)
+  return self:find(str, 1, true) ~= nil
 end
 
 function string:ends_with(suffix)