Add dist dir to gitignore (#94)

Lewuathe · Nikhil Thorat · commit 0716131329a5 · 2017-09-06T10:34:22.000-04:00
`npm run build` creates a build directory in `dist`. We can add this dir
to gitignore.
diff --git a/.gitignore b/.gitignore
@@ -7,4 +7,5 @@ index.ts
 
 npm-debug.log
 .DS_Store
-.idea/
+dist/
+.idea/
