Update Languages and Event Types

[edmundonm]

Ashley has provided us with an updated list of languages and event types, please update the model and forms accordingly.

here are the top languages that may be offered at Census events: English, Spanish, Chinese (Mandarin), Chinese (Cantonese), Tagalog, Hindi, Vietnamese, Punjabi, Tamil, Telugu, Korean, Arabic, Farsi, Dari

Event types: Questionnaire Assistance Center, Info Booth, Informational Meeting, Census Completion Workshop, Town Hall, Block Party, Webinar, Other

TODO:

• Update model
• Update Edit/Create Form
• Update Admin Form