docs: Update banner and rst format

Change-Id: Ie018e41115225cd82ca779dbf8b54156bc82a638
Reviewed-on: https://pigweed-review.googlesource.com/c/pigweed/examples/+/197732
Reviewed-by: Armando Montanez <amontanez@google.com>
Commit-Queue: Auto-Submit <auto-submit@pigweed-service-accounts.iam.gserviceaccount.com>
Presubmit-Verified: CQ Bot Account <pigweed-scoped@luci-project-accounts.iam.gserviceaccount.com>
Pigweed-Auto-Submit: Anthony DiGirolamo <tonymd@google.com>
diff --git a/banner.txt b/banner.txt
index 0704387..842c8f9 100644
--- a/banner.txt
+++ b/banner.txt
@@ -1,8 +1,5 @@
     ╱╱╱╱  █▀█ █ █▀▀ █░█░█ █▀▀ █▀▀ █▀▄
    ╱╱╱╱╱  █▀▀ █ █▄█ ▀▄▀▄▀ ██▄ ██▄ █▄▀
   ╱╱╱╱╱╱
-  ╱╱╱╱╱╱     █▀ ▄▀█ █▀▄▀█ █▀█ █░░ █▀▀
-  ╱╱╱╱╱╱     ▄█ █▀█ █░▀░█ █▀▀ █▄▄ ██▄
-  ╱╱╱╱╱╱
-  ╱╱╱╱╱       █▀█ █▀█ █▀█ ░░█ █▀▀ █▀▀ ▀█▀
-  ╱╱╱╱        █▀▀ █▀▄ █▄█ █▄█ ██▄ █▄▄ ░█░
+  ╱╱╱╱╱      █▀▀ ▀▄▀ ▄▀█ █▀▄▀█ █▀█ █░░ █▀▀ █▀
+  ╱╱╱╱       ██▄ █░█ █▀█ █░▀░█ █▀▀ █▄▄ ██▄ ▄█
diff --git a/examples/01_blinky/docs.rst b/examples/01_blinky/docs.rst
index 1ca8ff3..0bcc0ea 100644
--- a/examples/01_blinky/docs.rst
+++ b/examples/01_blinky/docs.rst
@@ -103,3 +103,4 @@
 .. code-block:: sh
 
    bazel build //examples/01_blinky:blinky.elf
+