Add 2018 coverage & quotes

[hiddenillusion]

...I was genuinely impressed with the impeccable organization, the content shared, and the interesting conversations that took place among enthusiasts and professionals from all over the world.

• https://securelist.com/bsides-nyc-a-volunteer-organized-event-put-on-by-and-for-the-community/83765/

• https://terbiumlabs.com/2018/01/27/breaking-through-convention-with-bsidesnyc.html
• https://umbrella.cisco.com/blog/2018/02/02/28103/