[Download] Add Windows arm64 installer for nightly development snapsh… (#698)

* [Download] Add Windows arm64 installer for nightly development snapshots (main) branch

* Add info about arch to all links on Windows page

* Update windows10-arm64.yml to include swift-DEVELOPMENT-SNAPSHOT-2024-07-02-a

Author: shahmishal

_data/builds/development/windows10-arm64.yml

@@ -0,0 +1,8 @@
+- date: 2024-07-02 10:10:00-06:00
+  dir: swift-DEVELOPMENT-SNAPSHOT-2024-07-02-a
+  download: swift-DEVELOPMENT-SNAPSHOT-2024-07-02-a-windows10-arm64.exe
+  name: Windows 10 Swift Development Snapshot
+- date: 2024-06-03 10:10:00-06:00
+  dir: swift-DEVELOPMENT-SNAPSHOT-2024-06-03-a
+  download: swift-DEVELOPMENT-SNAPSHOT-2024-06-03-a-windows10-arm64.exe
+  name: Windows 10 Swift Development Snapshot

install/windows/index.md

@@ -20,7 +20,7 @@ title: Install Swift
     <p class="description">
       Package installers (.exe).
     </p>
-    <a href="https://download.swift.org/{{ site.data.builds.swift_releases.last.tag | downcase }}/windows10/{{ site.data.builds.swift_releases.last.tag }}/{{ site.data.builds.swift_releases.last.tag }}-windows10.exe" class="cta-secondary">Download Toolchain (x86_64)</a>
+    <a href="https://download.swift.org/{{ site.data.builds.swift_releases.last.tag | downcase }}/windows10/{{ site.data.builds.swift_releases.last.tag }}/{{ site.data.builds.swift_releases.last.tag }}-windows10.exe" class="cta-secondary">Download (x86_64)</a>
     <a href="/install/windows/traditional" class="cta-secondary">Instructions</a>
   </li>
   <li class="resource">
@@ -46,6 +46,7 @@ title: Install Swift
 Swift snapshots are prebuilt binaries that are automatically created from the branch. These snapshots are not official releases. They have gone through automated unit testing, but they have not gone through the full testing that is performed for official releases.
 
 {% assign windows_dev_builds = site.data.builds.development.windows10 | sort: 'date' | reverse %}
+{% assign windows_arm64_dev_builds = site.data.builds.development.windows10-arm64 | sort: 'date' | reverse %}
 {% assign windows10_6_0_builds = site.data.builds.swift-6_0-branch.windows10 | sort: 'date' | reverse %}
 
 <ul class="install-instruction">
@@ -57,7 +58,10 @@ Swift snapshots are prebuilt binaries that are automatically created from the br
     <p class="description">
       Package installers (.exe).
     </p>
-    <a href="https://download.swift.org/development/windows10/{{ windows_dev_builds.first.dir }}/{{ windows_dev_builds.first.download }}" class="cta-secondary">Download Toolchain</a>
+    <ul class="install-instruction">
+    <a href="https://download.swift.org/development/windows10/{{ windows_dev_builds.first.dir }}/{{ windows_dev_builds.first.download }}" class="cta-secondary">Download (x86_64)</a>
+    <a href="https://download.swift.org/development/windows10-arm64/{{ windows_arm64_dev_builds.first.dir }}/{{ windows_arm64_dev_builds.first.download }}" class="cta-secondary">Download (arm64)</a>
+    </ul>
   </li>
   <li class="resource">
     <h3>release/6.0</h3>
@@ -67,7 +71,7 @@ Swift snapshots are prebuilt binaries that are automatically created from the br
     <p class="description">
       Package installers (.exe).
     </p>
-    <a href="https://download.swift.org/swift-6.0-branch/windows10/{{ windows10_6_0_builds.first.dir }}/{{ windows10_6_0_builds.first.download }}" class="cta-secondary">Download Toolchain</a>
+    <a href="https://download.swift.org/swift-6.0-branch/windows10/{{ windows10_6_0_builds.first.dir }}/{{ windows10_6_0_builds.first.download }}" class="cta-secondary">Download (x86_64)</a>
   </li>
 </ul>
 <a href="/install/windows/traditional/" class="cta-secondary">Instructions</a>