Move developer index.md to _index.md

The developer documentation is now in it's own temporary section. Move the index page to the correct name for a section index. Signed-off-by: Martyn Welch <martyn.welch@collabora.com>

Move developer index.md to _index.md
The developer documentation is now in it's own temporary section. Move the index page to the correct name for a section index. Signed-off-by: Martyn Welch <martyn.welch@collabora.com>
e156cd2c · Martyn Welch · Emanuele Aina · 3bb17562 · e156cd2c
Commit e156cd2c authored 4 years ago by Martyn Welch Committed by Emanuele Aina 4 years ago
--- a/content/developer/index.md
+++ b/content/developer/index.md