Added "A Dance with Dragons" by George R.R. Martin, Issue #43

[NotARossFan]

• 🔍 I have checked to make sure that there is not already a pull request for the show/movie that I want to add.
• 👍 My pull request has a descriptive title (such as Added Matilda or Added all of Jane Austen's books)
• 🕵🏽‍♀️ I have searched the data.js file and confirmed I am not adding a duplicate entry.
• 🖍️ I have placed the new books(s) or play(s) in alphabetical order based on title inside of the data.js file.
• 3️⃣ I have at least four emojis listed under emojiImgs
• [ X ] 5️⃣ I have a maximum of six emojis listed under emojiImgs.
• ⭐ My genres are all inside of square brackets [ ] and each are individually wrapped in quotation marks and have a comma between each one. (such as submitting this "genres": ["fantasy", "children", "adventure"] and not this "genres":["fantasy, children, adventure"]).
• 💜 I have used genres from this genre.md file or if I want to use genres not in this file already, I have added them to this file in alphabetical order.
• 📅 I have added a single year under year.

Closes #43

[brittanyrw]

@NotARossFan It looks like this pull request only has "Of Mice and Men" updated and not "A Dance with Dragons". Could you update it to include "A Dance with Dragons"? Thanks!