Add Phoenix (nodebots#282)

🎉

Author: monteslu

Diff for: 2018/Phoenix/README.md

@@ -0,0 +1,10 @@
+# Nodebots Day 2018 for Phoenix/Mesa, Arizona! 
+
+ - Organizers: [Luis](https://www.twitter.com/monteslu), [LJ](https://www.twitter.com/louiemontes), [Sheldon](https://www.twitter.com/tooshel)
+ - Ticket Link: [ti.to](https://ti.to/monteslu/nodebots-day-phx-2018)
+ - Location: [HeatSync Labs](http://heatsynclabs.org)
+ - Date: July 28, 2018
+ - Hours: 9:30 AM - 05:30 PM
+ - Expected # of attendees: 32
+ - Sponsors: [Chirpers](https://chirpers.com) [IcedDev](https://iceddev.com) [Citrix](https://citrix.com)
+

Diff for: 2018/events.geojson

@@ -54,4 +54,17 @@
         "name": "Norfolk, VA, USA"
       }
     },
+    {
+      "type": "Feature",
+      "geometry": {
+        "type": "Point",
+        "coordinates": [
+          -111.835661,
+          33.415365
+        ]
+      },
+      "properties": {
+        "name": "Phoenix/Mesa, AZ, USA"
+      }
+    },
 }

Diff for: Readme.md

@@ -46,6 +46,7 @@ Want to organize a local NodeBots Day event. You should!
  - [West Palm Beach, Florida, USA](2018/West_Palm_Beach/)
  - [Chicago, USA](2018/Chicago/)
  - [Norfolk, Virginia, USA](2018/Norfolk)
+ - [Phoenix/Mesa, AZ, USA](2018/Phoenix)
 
 ### Central America
  -