Update landing pages for docs, api-ref, and release notes:

- Use updated project name in titles/text
- Correct text for link to Storyboard (docs)
- Correct capitalization in section headings
- Correct formatting for section headings
- Update project name in link to release notes, api-ref
- Update project name in config for docs/releasenotes/api-ref

Story:2007193
Task:38341

Change-Id: I4369fef2a401810ff9cc9a443a3f0572fc327174
Signed-off-by: Kristal Dale <kristal.dale@intel.com>

api-ref/source/conf.py

@@ -20,7 +20,7 @@ extensions = [
     'os_api_ref',
 ]
 
-html_theme = 'openstackdocs'
+html_theme = 'starlingxdocs'
 
 html_theme_options = {
     "sidebar_dropdown": "api_ref",
@@ -42,7 +42,7 @@ master_doc = 'index'
 
 # General information about the project.
 repository_name = 'openstack/stx-update'
-project = u'stx-update'
+project = u'StarlingX Update'
 bug_project = 'starlingx'
 bug_tag = 'stx.update'
 

api-ref/source/index.rst

@@ -1,8 +1,15 @@
-========================
-stx-update API Reference
-========================
+====================
+Update API Reference
+====================
 
-StarlingX Installation/Update/Patching/Backup/Restore
+Use the StarlingX Update API to manage patching of hosts including installation,
+update, patching, backup, and restore.
+
+Search Update API content using the :ref:`search page <search>`.
+
+-------------
+API reference
+-------------
 
 .. toctree::
    :maxdepth: 2