add entry requests, invite new users

test/models/entry_test.rb

@@ -1,8 +1,8 @@
 require "test_helper"
 
 class EntryTest < ActiveSupport::TestCase
-  test "should be valid with a category" do
-    entry = Entry.new(category: :word)
+  test "should be valid with a category and at least one translation" do
+    entry = Entry.new(category: :word, fi: "test")
     assert entry.valid?
   end