Add Nashville topic

Image taken from https://en.m.wikipedia.org/wiki/File:Seal_of_Nashville,_Tennessee.png

Author: cheshire137

topics/nashville/index.md

@@ -0,0 +1,13 @@
+---
+created_by: "James Robertson, John Donelson, and a party of Overmountain Men"
+display_name: "Nashville, Tennessee"
+github_url: https://github.com/code-for-nashville
+logo: nashville.png
+related: tennessee, nashvillesoftwareschool, east-nashville, open-data, civic-tech
+released: 1779
+short_description: Nashville is the capital and most populous city of the U.S. state of Tennessee.
+topic: nashville
+url: https://www.visitmusiccity.com/
+wikipedia_url: https://en.wikipedia.org/wiki/Nashville,_Tennessee
+---
+Nashville is the capital and most populous city of the U.S. state of Tennessee, called the "home of country music." It is a center for the music, healthcare, publishing, private prison, banking, and transportation industries, and is home to numerous colleges and universities. In March 2012, a Gallup poll ranked Nashville in the top five regions for job growth. Nashville lies on the Cumberland River.