docs: install: Move Building from source into the install guide

Direct links to the install guide mean some people are reading the docs
but never see the main docs index and, as a result, don't find the
instructions on how to build from source. Let's fix that!

Fixes: #49
Signed-off-by: Daniel Thompson <daniel@redfelineninja.org.uk>

1 files changed, 1 insertions, 1 deletions

diff --git a/TODO.rst b/TODO.rst
index ec0ca7a..8efe6b3 100644
--- a/TODO.rst
+++ b/TODO.rst
@@ -46,7 +46,7 @@ Wasp-os
 * [X] Implement simple RTC for nrf52
 
 0.2 (a.k.a. M2): Great developer experience
-------------------------------
+-------------------------------------------
 
 The focus for M2 is to make development faster and easier by providing
 a file system and file transfer code. This allows much faster