Add installation link to download (#202)

### Description

<!-- Describe what this change achieves-->
 
### Issues Resolved
Issue valkey-io/valkey-doc#221
Rebased over #201
Related PR: valkey-io/valkey-doc#223

Changes looks:


![image](https://github.com/user-attachments/assets/694f9b8c-3dd7-4c34-a9d7-9d1dd67d4a33)


![image](https://github.com/user-attachments/assets/3aeee441-f759-42d2-812d-dc8e95515ecb)

### Check List
- [x] Commits are signed per the DCO using `--signoff`

By submitting this pull request, I confirm that my contribution is made
under the terms of the BSD-3-Clause License.

---------

Signed-off-by: Madelyn Olson <[email protected]>
Signed-off-by: avifenesh <[email protected]>
Co-authored-by: Madelyn Olson <[email protected]>
Co-authored-by: avifenesh <[email protected]>

templates/download.html

@@ -5,7 +5,6 @@ <h1 class="page-title">Download Latest</h1>
 {% endblock subhead_content%}
 {% block main_content %}
 
-
 {% set release_section = get_section(path="download/releases/_index.md") %}
 {% set most_recent_release_page = release_section.pages | reverse | slice(end= 1) %}
 {% set release_date = most_recent_release_page[0].date %}
@@ -15,11 +14,13 @@ <h1 class="page-title">Download Latest</h1>
 {% set_global major = split_ver | nth(n= 0) %}
 
 You can get the latest releases of Valkey from this page.<br />
+For installation instructions, supported package managers, and how to configure Valkey, see the <a href="/topics/installation">installation</a> page.<br />
 The <a href="./releases/">releases</a> page contains links to download all current and previous releases (including any security fixes for previous released versions).<br />
 <br />
 
 <hr />
 
+
 <h3> Version {{major}}.x.x </h3>
 {% include "includes/release.html" %}