Add the ability to included a custom dictionary for spellchecking comments, etc.

[#1]

Add the ability to included a custom dictionary for spellchecking comments, etc., so that an organization could have it's own dictionary that would be used to spellcheck comments, etc. entered.

[#2]

‚It would be great to add spell check (which is available in PrintUI) into the features within DAM as well as custom dictionary.