Address insensitive language (#2677)

* Change master to main in most uses

Signed-off-by: Nolan Brubaker <brubakern@vmware.com>

netlify.toml

@@ -2,3 +2,9 @@
   base = "site/"
   command = "jekyll build"
   publish = "site/_site"
+
+# Using the * -> :splat rule should redirect anything under master to the matching file under main
+[[redirects]]
+  from = "/docs/master/*"
+  to = "/docs/main/:splat"
+