[Doc] Add an ad for Ray Summit 2023 (#39404)

Signed-off-by: pdmurray <peynmurray@gmail.com>

README.rst

@@ -1,3 +1,6 @@
+.. image:: ./ray_summit_2023_horizontal.svg
+    :target: https://raysummit.anyscale.com/?utm_source=github&utm_medium=website&utm_campaign=ray_summit_2023&utm_content=banner
+
 .. image:: https://github.com/ray-project/ray/raw/master/doc/source/images/ray_header_logo.png
 
 .. image:: https://readthedocs.org/projects/ray/badge/?version=master
@@ -12,8 +15,6 @@
 .. image:: https://img.shields.io/twitter/follow/raydistributed.svg?style=social&logo=twitter
     :target: https://twitter.com/raydistributed
 
-|
-
 Ray is a unified framework for scaling AI and Python applications. Ray consists of a core distributed runtime and a set of AI libraries for simplifying ML compute:
 
 .. image:: https://github.com/ray-project/ray/raw/master/doc/source/images/what-is-ray-padded.svg
@@ -134,4 +135,3 @@ Getting Involved
 .. _`Meetup Group`: https://www.meetup.com/Bay-Area-Ray-Meetup/
 .. _`Twitter`: https://twitter.com/raydistributed
 .. _`Slack`: https://forms.gle/9TSdDYUgxYs8SA9e8
-

doc/source/_static/css/custom.css

@@ -1,3 +1,21 @@
+/* override default colors used in the Sphinx theme */
+:root {
+    --tabs-color-label-active: #0475DE;
+    --tabs-color-label-hover: #0475DE;
+    --buttons-color-blue: #0475DE;
+    --tabs-color-label-inactive: #9E9E9E;
+    --tabs-color-overline: #e0e0e0;
+    --tabs-color-underline: #e0e0e0;
+    --border-color-gray: #e0e0e0;
+    --background-color-light-gray:#fafafa;
+    --background-color-disabled: #9E9E9E;
+    --pst-color-link: 4, 117, 222;
+    --pst-color-primary: 4, 117, 222;
+    --pst-color-text-secondary: #616161;
+    --blue: #0475DE;
+    --sidebar-top: 5em;
+}
+
 /* Remove flicker for announcement top bar replacement */
 .header-item.announcement {
     background-color: white;
@@ -28,8 +46,10 @@ div.navbar-brand-box {
     * height: to prevent topbar overlap
 */
 #site-navigation {
-    overflow-y: visible;
-    height: 100% !important;
+  overflow-y: auto;
+  height: calc(100vh - var(--sidebar-top));
+  position: sticky;
+  top: var(--sidebar-top) !important;
 }
 
 /* Center the algolia search bar*/
@@ -98,14 +118,7 @@ div.navbar-brand-box {
     overflow-y: scroll !important;
 }
 
-/* Make the TOC on the left scrollable by itself */
-#site-navigation .bd-sidebar__content {
-    height: 80vh;
-    overflow: visible;
-}
 .bd-sidebar__top {
-    height: 100%;
-    overflow: visible;
     display: flex;
     flex-direction: column;
 }
@@ -116,9 +129,7 @@ div.navbar-brand-box {
 }
 
 nav.bd-links {
-    overflow-y: auto;
     flex: 1;
-    padding-bottom: 50px;
 }
 
 nav.bd-links::-webkit-scrollbar-thumb {
@@ -490,23 +501,6 @@ footer {
     color: var(--pst-color-text-secondary);
 }
 
-/* override default colors used in the Sphinx theme */
-:root {
-    --tabs-color-label-active: #0475DE;
-    --tabs-color-label-hover: #0475DE;
-    --buttons-color-blue: #0475DE;
-    --tabs-color-label-inactive: #9E9E9E;
-    --tabs-color-overline: #e0e0e0;
-    --tabs-color-underline: #e0e0e0;
-    --border-color-gray: #e0e0e0;
-    --background-color-light-gray:#fafafa;
-    --background-color-disabled: #9E9E9E;
-    --pst-color-link: 4, 117, 222;
-    --pst-color-primary: 4, 117, 222;
-    --pst-color-text-secondary: #616161;
-    --blue: #0475DE;
-}
-
 /* Make the hover color of tag/gallery buttons differ from "active" */
 .tag.btn-outline-primary:hover {
     background-color: rgba(20, 99, 208, 0.62) !important;
@@ -795,3 +789,7 @@ footer.col.footer > p {
 #csat-textarea {
   resize: none;
 }
+
+.summit-ad {
+  margin: 1em 0em;
+}

doc/source/conf.py

@@ -419,6 +419,7 @@ def setup(app):
     app.add_js_file("js/custom.js", defer="defer")
 
     app.add_js_file("js/top-navigation.js", defer="defer")
+    app.add_js_file("js/summit.js", defer="defer")
 
     base_path = Path(__file__).parent
     github_docs = DownloadAndPreprocessEcosystemDocs(base_path)