Attempt to configure Netlify deployment.

I have no idea if this will work for specifying the Hugo extended
version.

https://docs.netlify.com/configure-builds/file-based-configuration/#sample-file

Author: jdblischak

netlify.toml

@@ -0,0 +1,4 @@
+[build]
+  command = "hugo"
+  publish = "public/"
+  environment = { HUGO_VERSION = "0.72.0" }