Walk back some changes since they're in another PR

.gitignore

@@ -4,3 +4,4 @@ _site
 .DS_Store
 Gemfile.lock
 .idea
+.jekyll-cache

_config.yml

@@ -5,7 +5,7 @@ baseurl: "" # the subpath of your site, e.g. /blog
 url: "https://docs-beta.opensearch.org" # the base hostname & protocol for your site, e.g. http://example.com
 permalink: /:path/
 
-opensearch_version: 1.0.0
+opensearch_version: 1.0.0-rc1
 opensearch_major_minor_version: 1.0
 
 # Build settings

_layouts/default.html

@@ -140,6 +140,7 @@ layout: table_wrappers
         {% if site.heading_anchors != false %}
           {% include vendor/anchor_headings.html html=content beforeHeading="true" anchorBody="<svg viewBox=\"0 0 16 16\" aria-hidden=\"true\"><use xlink:href=\"#svg-link\"></use></svg>" anchorClass="anchor-heading" anchorAttrs="aria-labelledby=\"%html_id%\"" %}
         {% else %}
+          <p class="warning" style="margin-top: 0">This documentation remains in a beta state. It has content gaps and might contain bugs.</p>
           {{ content }}
         {% endif %}