Adding the template for the releases section of the Valkey website (#228)

### Description

This PR contains a template for the releases section of the Valkey
website. This will be used in valkey-release-automation repository in
order to automate the release section of the website.

Signed-off-by: Nikhil Manglore <[email protected]>

Author: Nikhil-Manglore

templates/valkey-website-template.md

@@ -0,0 +1,31 @@
+---
+title: "{version}"
+date: {date}
+extra:
+    tag: "{version}"
+    artifact_source: https://download.valkey.io/releases/
+    artifact_fname: "valkey"
+    container_registry:
+        -
+            name: "Docker Hub"
+            link: https://hub.docker.com/r/valkey/valkey/
+            id: "valkey/valkey"
+            tags:
+{tags}
+    packages:
+
+    artifacts:
+        -   distro: focal
+            arch:
+                -   arm64
+                -   x86_64
+        -   distro: jammy
+            arch:
+                -   arm64
+                -   x86_64
+        -   distro: noble
+            arch:
+                -   x86_64
+---
+
+Valkey {version} Release