Bazel DevSite: Add "create issue" & "view source" buttons to narrative documentation.

A future change will add the buttons to the reference docs (which is a bit more complex since there is no 1:1 relation between displayed page and source file).

PiperOrigin-RevId: 486889786
Change-Id: I2d0d1963f7c82ab7b17dbe257196e4f105fe94cb
diff --git a/site/en/docs/mobile-install.md b/site/en/docs/mobile-install.md
index 630cf3e..b5cc59f 100644
--- a/site/en/docs/mobile-install.md
+++ b/site/en/docs/mobile-install.md
@@ -3,6 +3,8 @@
 
 # bazel mobile-install
 
+{% include "_buttons.html" %}
+
 <p class="lead">Fast iterative development for Android</p>
 
 This page describes how `bazel mobile-install` makes iterative development