Added Netlify config file

The Netlify build configuration currently only resides in their admin panel. This configuration file should hopefully override those settings to allow outside contributors to make refactoring changes

Refs mochajs#3195

netlify.toml

@@ -0,0 +1,13 @@
+# Netlify deploy configuration
+# See https://www.netlify.com/docs/continuous-deployment/#deploy-contexts
+
+# Global settings applied to the whole site.  
+# 
+# “publish” is the directory to publish (relative to root of your repo),
+# “command” is your build command,
+# “base” is directory to change to before starting build. if you set base:
+#    that is where we will look for package.json/.nvmrc/etc not repo root!
+
+[build]
+  publish = "docs/_dist/"
+  command = "npm start buildDocs"