Add very simple root index, should probably just redirect to /en/ for now.

Mark-H · Mark-H · commit bead2ebde232 · 2016-09-19T17:46:45.000+02:00
diff --git a/index.md b/index.md
@@ -0,0 +1,3 @@
+Welcome to the modmore documentation! Please choose a language. 
+
+- [English](en/index)

Original file line number	Diff line number	Diff line change
`@@ -0,0 +1,3 @@`
	`1`	`+Welcome to the modmore documentation! Please choose a language.`
	`2`	`+`
	`3`	`+- [English](en/index)`