Add empty framework for 3.1.0 release notes

Change-Id: Iaed700863007be2359779575f232bfa527a79558
diff --git a/firebase.json b/firebase.json
index 6bcc9ec..ff8bc64 100644
--- a/firebase.json
+++ b/firebase.json
@@ -108,6 +108,11 @@
         "type": 301
       },
       {
+        "source": "/releases/3.1.md",
+        "destination": "/3.1.html",
+        "type": 301
+      },
+      {
         "source": "/releases/public-keys.md",
         "destination": "/public-keys.html",
         "type": 301
diff --git a/pages/site/releases/3.1.md b/pages/site/releases/3.1.md
new file mode 100644
index 0000000..dc10fb8
--- /dev/null
+++ b/pages/site/releases/3.1.md
@@ -0,0 +1,25 @@
+---
+title: "Gerrit 3.1.0 Release (in development)"
+permalink: 3.1.html
+hide_sidebar: true
+hide_navtoggle: true
+toc: true
+---
+
+## Release Highlights
+
+## Important Notes
+
+### Schema Changes
+
+This release contains schema changes. To upgrade:
+
+``` sh
+  java -jar gerrit.war init -d site_path
+```
+
+### Breaking Changes
+
+## New Features
+
+## Dependency Updates
diff --git a/pages/site/releases/README.md b/pages/site/releases/README.md
index 39a8900..c1453b7 100644
--- a/pages/site/releases/README.md
+++ b/pages/site/releases/README.md
@@ -18,6 +18,10 @@
 
 Latest release: **[3.0.0](/3.0.md)**.
 
+## 3.1.0 (in development)
+
+[Release notes for Gerrit 3.1.0](/3.1.md)
+
 ## 3.0.0
 
 * The GWT UI is removed and PolyGerrit is now the only UI.